CN206161157U - Broadband spectroscopic light source - Google Patents
Broadband spectroscopic light source Download PDFInfo
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- CN206161157U CN206161157U CN201621099738.9U CN201621099738U CN206161157U CN 206161157 U CN206161157 U CN 206161157U CN 201621099738 U CN201621099738 U CN 201621099738U CN 206161157 U CN206161157 U CN 206161157U
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Abstract
The utility model is suitable for a material analysis light source technical field provides a broadband spectroscopic light source, has both utilized the multispectral concept attainment broadband spectroscopic light source of combination. The shortwave leads to the ultraviolet spectrum who contains peak register for easy reference line in the spectrum of light filter on with the deuterium lamp first direction and strains and obtain blue light and ultraviolet spectroscopy for the specifically speaking, to strain with ultraviolet spectroscopy except that the blue light of 400nm part in deuterium lamp second orientation with band pass filter obtains 400nm blue light part spectrum. The in like manner weakens with visible light part in the spectrum of visible decay light filter on with the tungsten lamp first direction, with the long wave pass filter tungsten lamp's second direction with blue light and ultraviolet spectroscopy and visible light spectrum strain near infrared spectroscopy. With on the deuterium lamp first direction, in the second direction, on the tungsten lamp first direction, obtain spectrum in the second direction and pass through light combination device and merge, can the broadband spectroscopic light source that almost doubles of whole mild, broadband and near infrared intensity.
Description
Technical field
The utility model is related to a kind of light source for material analysis, more particularly to a kind of to be used for material spectrum
Analysis and the light source with broadband spectral design feature for measuring.
Background technology
At present, the conventional wideband light source of market glazing analysis of spectrum is deuterium tungsten lamp, even using catoptric arrangement or using transmission
The light that deuterium lamp and tungsten lamp are sent is grouped together and does spectrum analysis measurement and be used by structure.The spectrum of tungsten lamp and deuterium lamp such as Fig. 1
Shown (not doing absolute spectral intensity to demarcate), 101 is tungsten lamp spectrum, and 102 is deuterium lamp spectrum, and 103 is deuterium lamp spike spectrum
656.1nm.Spectrum is the spectrometer measurement gained with CCD as detector in Fig. 1.Visible photopeak wherein in tungsten lamp spectrum 101
Value is between 571nm to 637nm.It is overall if desired for increasing when coordinating such spectrometer to carry out spectral measurement with this kind of tungsten lamp
The intensity of light source (including ultraviolet light, visible ray and near infrared light) to increase during near infrared light, when visible light part arrives by force certain journey
Saturation can be produced to such spectrometer when spending；The now detector of spectrometer just cisco unity malfunction.
For simplicity's sake, only illustrated as an example using the deuterium tungsten lamp with transmittance structure, as shown in Figure 2.Its design
It is that the light lens 202 for sending halogen tungsten lamp 201 are focused on and sent with deuterium lamp after the smallcolumn diaphragm in the bulb of deuterium lamp 203
Actinic light obtains a kind of (the deuterium tungsten lamp wideband light source-AvaLight- for such as being produced by Dutch Avantes companies of broadband spectral 204
DH-S etc.).Just known by spectrum in Fig. 1, such deuterium tungsten lamp there is a problem of two it is intrinsic：One is that (ultraviolet light is to can for deuterium lamp spectrum
See light) there is part spike spectrum (such as 656.1nm) and easily make the detector saturation of spectrometer；The spy of spectrometer when saturated
Survey device cisco unity malfunction.Although there is company to adopt dichroic beam splitter to filter most of 656.1nm spikes spectrum to avoid saturation
Problem (a kind of deuterium tungsten lamp wideband light source-AvaLight-DH-S-BAL for such as being produced by Dutch Avantes companies), but relatively
For can increase cost because dichroic beam splitter will be made by coating process.Two are because CCD or CMOS spectral responsivities
It is very low near infrared light spectral coverage, so for the spectrometer using CCD or CMOS as detector, the letter of corresponding near infrared light spectral coverage
Make an uproar than it is little and be unfavorable for spectrum analysis measure.Although near infrared light intensity can be increased using high power tungsten lamp, this can band
Carry out new problem such as increased power dissipation and produce more heats etc., and when near infrared light is increased, it is seen that light part also can increase,
When visible light part it is strong to a certain extent when saturation can be produced to such spectrometer；Now the detector of spectrometer just can not be normal
Work.
Patent 201520834344.2 provides a kind of light source with broadband spectral, as shown in figure 3, including：First light source
301st, short wave pass filter 302, the first optical fiber input adapter 303, secondary light source 304, visible attenuating filters 305, the second light
Fine input adapter 306, the 3rd light source 307, long wave pass filter 308, the 3rd optical fiber input adapter 309, the first optical fiber output connects
310, the 4th optical fiber input adapter 311 and the second optical fiber output joint 312, wherein three optical fiber input adapters and two
Optical fiber output joint constitutes Multiplexing apparatus, wherein the first light source is ultraviolet light and blue light source, secondary light source be include ultraviolet light,
The light source of visible ray and near infrared light.The broadband light almost doubled with gentle broadband and near infrared light produced by the patent
Spectrum, as shown in figure 4, including ultraviolet light, visible ray and near infrared light, the patent can solve in broadband spectral deuterium lamp spectrum just like
656.1nm spikes compose and visible ray with respect to ultraviolet light, near infrared light intensity is excessive and easily make using CCD or CMOS as detection
The saturation problem of the spectrometer of device, while can solve the problem that the low problem of near infrared light signal to noise ratio in broadband spectral.But the patent institute
The broadband spectral of generation has the relatively weak problems of deuterium lamp spectrum 400nm；Additionally, because built-in two tungsten lamps, have power consumption big
It is also easy to produce unnecessary heat and bulky deficiency.
In summary, prior art there will naturally be in actual use defect or deficiency, it is therefore necessary to being improved.
The content of the invention
For above-mentioned defect or deficiency, the purpose of this utility model is to provide a kind of light source with broadband spectral,
The light source has a broadband spectral that overall gentle, broadband and near infrared light are almost doubled, including ultraviolet light, visible ray and near red
Outer light.The light source can solve in broadband spectral deuterium lamp spectrum and compose just like 656.1nm spikes and the relative ultraviolet light of visible ray, near red
Outer luminous intensity is excessive and easily makes saturation problem using CCD or CMOS as the spectrometer of detector, can solve the problem that broadband spectral
The low problem of middle near infrared light signal to noise ratio, while also can solve the problem that broadband spectral have the relatively weak problems of deuterium lamp spectrum 400nm, this
Can also solve outward because built-in two tungsten lamp power consumptions are also easy to produce greatly unnecessary heat and bulky deficiency.
To achieve these goals, the utility model provides a kind of broadband spectral light source, including:First light source, short-pass
Optical filter, 400nm bandpass filters, secondary light source, visible attenuating filters, long wave pass filter and Multiplexing apparatus, it is described
Multiplexing apparatus are the four-in-one optical fiber for including four optical fiber input adapters and an optical fiber output joint, and first light source is
Ultraviolet light and blue light source, the secondary light source is the light source for including ultraviolet light, visible ray and near infrared light；
The light that the first direction of first light source is produced obtains blue light and ultraviolet light after the short wave pass filter
Spectrum, the blue light is coupled into the first optical fiber input adapter of the Multiplexing apparatus with ultraviolet spectra；
The light that the second direction of first light source is produced obtains 400nm blue lights after the 400nm bandpass filters
Partial spectrum, the 400nm blue light components spectrum is by the first variable intensity device or changes first light source and the conjunction
The coupling distance of the optical transmission apparatus between the optical fiber output joint of electro-optical device to adjust light intensity after export；The 400nm blue lights
Partial spectrum is coupled into the second optical fiber input adapter of the Multiplexing apparatus；
The light that the first direction of the secondary light source is produced obtains visible light part after the visible attenuating filters
The light being attenuated, what the visible light part was attenuated is optically coupled into the 3rd optical fiber input adapter of the Multiplexing apparatus；
The light that the second direction of the secondary light source is produced obtains near infrared spectrum, institute after the long wave pass filter
State near infrared spectrum to connect with the optical fiber output of the Multiplexing apparatus by the second variable intensity device or the change secondary light source
Head between optical transmission apparatus coupling distance to adjust light intensity after export；The near infrared spectrum is coupled into the closing light dress
The 4th optical fiber input adapter put；
The Multiplexing apparatus by the light entered by four optical fiber input adapters carry out Jing after closing light described in optical fiber output
Joint output includes the gentle broadband spectral of the entirety of ultraviolet light, visible ray and near infrared light.
According to light source of the present utility model, the Multiplexing apparatus include thering is two input adapters and an output respectively
First Two-in-one Y-shaped optical fiber of joint, the second Two-in-one Y-shaped optical fiber and the 3rd Two-in-one Y-shaped optical fiber；
Two input adapters of the first Two-in-one Y-shaped optical fiber are input into respectively as the first optical fiber of the Multiplexing apparatus
Joint and the second optical fiber input adapter；
Two input adapters of the second Two-in-one Y-shaped optical fiber are input into respectively as the 3rd optical fiber of the Multiplexing apparatus
Joint and the 4th optical fiber input adapter；
Two input adapters of the 3rd Two-in-one Y-shaped optical fiber respectively with the first Two-in-one Y-shaped optical fiber, the two or two
The out splice going splice connection of unification y-type optical fiber, the out splice going splice of the 3rd Two-in-one Y-shaped optical fiber is the optical fiber of the Multiplexing apparatus
Out splice going splice.
According to light source of the present utility model, the device of the first variable intensity of first light source can darkening for Motor drive
The wheeled gradual change neutral colour filter of hurdle, Motor drive or Motor drive wedge-shaped board pair；
The device of the second variable intensity of the secondary light source is in Motor drive iris, the wheeled gradual change of Motor drive
Property optical filter or Motor drive wedge-shaped board pair.
According to light source of the present utility model, altered second optical fiber of light of the second direction generation of first light source
Input adapter adjusts its light intensity with the distance of first light source；The light that the second direction of the secondary light source is produced is altered
The 4th optical fiber input adapter adjusts its light intensity with the distance of the secondary light source.
According to the light of light source of the present utility model, the second optical fiber input adapter and the 4th optical fiber input adapter
Optical coupling structure is respectively arranged with fibre；
The light that the second direction of the first light source is produced is by optical fiber coupling in the optical fiber for adjusting the second optical fiber input adapter
Close the distance of structure and adjust its intensity, the light that the second direction of secondary light source is produced is connect by adjusting the 4th optical fiber input
Head optical fiber in optical coupling structure distance and adjust its intensity.
According to light source of the present utility model, varied second optical fiber of light of the second direction generation of first light source
Collimator lens in input adapter and the distance of optical fiber and adjust its intensity；
Collimator lens in the varied 4th optical fiber input adapter of light that the second direction of the secondary light source is produced with
The distance of optical fiber and adjust its intensity.
According to light source of the present utility model, by arranging the optical fiber of different core diameters to become in the second optical fiber input adapter
Change the light intensity of the light of the second direction generation of first light source；The 4th optical fiber input adapter is by arranging different core diameters
The light intensity of the light that optical fiber is produced with the second direction for changing the secondary light source.
According to light source of the present utility model, using the method that near infrared light is multiple coupled, visible ray and ultraviolet light light are coupled less,
Optical fiber used by the second direction of i.e. described secondary light source adopts the optical fiber of larger core diameter to balance the light intensity of each several part.
According to light source of the present utility model, the Multiplexing apparatus are bifurcated or compartition formula；And the light and fibre-optical splice
Input or output coupling are direct-coupling or use Lens Coupling.
According to light source of the present utility model, the output intensity of the secondary light source is adjusted by adjusting its driving current
Section, changed with changing secondary light source electric current the ultraviolet spectrum obtained on the first direction of secondary light source, visible light with
The intensity of the near infrared spectrum that the second direction of near infrared light spectrum and secondary light source is obtained.
According to light source of the present utility model, four optical fiber input adapters are additionally provided with adjustment light intensity
Property optical attenuation piece.
According to light source of the present utility model, first light source is deuterium lamp, hydrogen lamp or xenon lamp, and the secondary light source is tungsten lamp
Or xenon lamp.
One of the technical problems to be solved in the utility model is relative for 400nm in deuterium lamp spectrum in broadband spectral light source
Weak problem, and the blue light and ultraviolet spectra that 400nm parts will be removed in the second direction of first light source that propose are filtered
To 400nm blue light components spectrum；The 400nm blue light components spectrum is coupled into the second optical fiber input of the Multiplexing apparatus
The optical superposition produced on the first direction of joint and the first light source, it is relatively weak to solve the problems, such as deuterium lamp spectrum 400nm.
The two of the technical problems to be solved in the utility model are that 201520834344.2 built-in two tungsten lamp power consumptions of patent are big
It is also easy to produce unnecessary heat and bulky deficiency, and propose pass through the light produced on the first direction of the secondary light source
Light and generation in the second direction of the secondary light source that visible light part is attenuated are obtained after the visible attenuating filters
Light obtains near infrared spectrum superposition after the long wave pass filter, to reduce by a tungsten lamp, is also easy to produce greatly with solving power consumption
Unnecessary heat and bulky deficiency.
Overall technology effect of the present utility model embodies in the following areas.
(1) in the utility model, one of the technical problems to be solved in the utility model is for deuterium lamp spectrum 400nm
Relatively weak problem and the design of 400nm blue light components spectrum that obtains in the superposition deuterium lamp second direction that proposes.
(2) in the utility model, one of the technical problems to be solved in the utility model is for existing patent
201520834344.2 power consumption is big, be also easy to produce unnecessary heat and the big problem of volume and, the bag multispectral using combination that propose
Include spectrum, the tungsten of the 400nm parts obtained on the blue light obtained on deuterium lamp first direction and ultraviolet spectra, deuterium lamp second direction
In the ultraviolet spectrum that obtains on lamp first direction, the visible light and near infrared light spectrum and tungsten lamp second direction of decay
The near infrared spectrum for obtaining is merged by Multiplexing apparatus, can obtain overall gentle, broadband and near infrared light intensity is almost doubled
Broadband spectral design.
Description of the drawings
Fig. 1 is conventional tungsten lamp and deuterium lamp spectrum；
Fig. 2 is a kind of schematic diagram of deuterium tungsten light source commonly used in the prior art；
Fig. 3 is the theory structure schematic diagram of patent 201520834344.2；
Fig. 4 is the broadband spectral of patent 201520834344.2；
Fig. 5 is the theory structure schematic diagram of the utility model first embodiment；
Fig. 6 is the theory structure schematic diagram of second embodiment of the present utility model；
Fig. 7 is the theory structure schematic diagram of 3rd embodiment of the present utility model；
Fig. 8 is the theory structure schematic diagram of fourth embodiment of the present utility model；
Fig. 9 is the theory structure schematic diagram of the 5th embodiment of the present utility model；
Figure 10 is the theory structure schematic diagram of sixth embodiment of the present utility model；
Figure 11 is the theory structure schematic diagram of the 7th embodiment of the present utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
General principle of the present utility model is：Using combine it is multispectral and obtain broadband spectral light source, including：First light
Source, short wave pass filter, 400nm bandpass filters, secondary light source, visible attenuating filters, long wave pass filter and closing light
Device；Multiplexing apparatus include four optical fiber input adapters and an optical fiber output joint.Wherein the first light source be ultraviolet light and
Blue light source, secondary light source is the light source for including ultraviolet light, visible ray and near infrared light.
The light that the first direction of the first light source is produced obtains blue light and ultraviolet spectra after short wave pass filter, blue light with
Ultraviolet spectra is coupled into the first optical fiber input adapter of Multiplexing apparatus；
The light that the second direction of the first light source is produced obtains 400nm blue light components spectrum after 400nm bandpass filters,
400nm blue light components spectrum are coupled into second optical fiber input adapter of Multiplexing apparatus；400nm blue light components spectrum is by the
One variable intensity device or change the coupling of optical transmission apparatus between the first light source and the optical fiber output joint of Multiplexing apparatus away from
Export after to adjust light intensity；So as to the spectrum of 400nm parts that obtains in the second direction for adjusting the first light source of matching and the
The blue light obtained on the first direction of one light source and the relative spectral power of ultraviolet spectra are to obtain gentle blue light and ultraviolet spectra.
The light that the first direction of secondary light source is produced obtains what visible light part was attenuated after visible attenuating filters
Light, the ultraviolet light of the first direction generation of secondary light source, the visible ray being attenuated and near infrared light are coupled into Multiplexing apparatus
3rd optical fiber input adapter；
The light that the second direction of secondary light source is produced obtains near infrared spectrum, near infrared spectrum after long wave pass filter
It is coupled into the 4th optical fiber input adapter of Multiplexing apparatus；Near infrared spectrum is by the second variable intensity device or change second
The coupling distance of the optical transmission apparatus between light source and the optical fiber output joint of Multiplexing apparatus to adjust light intensity after export, so as to adjust
The near infrared spectrum obtained in whole matching tungsten lamp second direction and the ultraviolet spectrum, the visible ray light that obtain on tungsten lamp first direction
The relative intensity of spectrum and near infrared light spectrum.
In addition, secondary light source electric current can be changed by adjusting adjustable resistance and change what is obtained on secondary light source first direction
The intensity of the near infrared spectrum that the second direction of ultraviolet spectrum, visible light and near infrared light spectrum and tungsten lamp is obtained；
Entirety is obtained to make this two sections of spectral intensities match with the gentle blue light obtained from the first light source and ultraviolet spectra intensity
Gently, the broadband spectral that broadband and near infrared light intensity are almost doubled.
The 400nm blue light components spectrum that the utility model is obtained in the second direction by the first light source of superposition is solved
The relatively weak problem of 400nm blue light components spectrum.It is near that the utility model is obtained in the second direction by superposition secondary light source
Infrared spectrum, to solve prior art in as in the deuterium lamp spectrum of secondary light source 656.1nm spikes spectrum and visible ray it is relative
Ultraviolet light, near infrared light intensity is excessive and easily makes the saturation problem using CCD or CMOS as the spectrometer of detector, can solve
The certainly low problem of near infrared light signal to noise ratio in broadband spectral, additionally, due to a secondary light source is only arranged, can avoid power consumption it is big,
It is also easy to produce unnecessary heat and the big problem of volume.
When coordinating the spectrometer using CCD or CMOS as detector to carry out spectral measurement with the broadband spectral, in near-infrared
Higher signal to noise ratio can be obtained at light；In addition when increase integrated light source intensity includes ultraviolet light, visible ray and near infrared light
Intensity when, visible light part will not be to such spectrometer saturation in very big dynamic range.Designed using the utility model
Wideband light source it is economical and practical, can be widely used for material analysis with measurement, it is convenient and practical.
Due in actual applications, usually being used as ultraviolet light and blue light source using deuterium lamp, using tungsten lamp as including
The light source and near infrared light light source of ultraviolet light, visible ray and near infrared light is used.Therefore, in the examples below, this practicality is new
Type is using deuterium lamp as the first light source, tungsten lamp as secondary light source.Actually the first light source can also be using other ultraviolet lights and indigo plant
Radiant, such as xenon lamp etc.；Secondary light source can also adopt other to include the light source of ultraviolet light, visible ray and near infrared light, for example
Xenon lamp etc..Deuterium lamp, tungsten lamp in following examples is not intended as restriction the utility model and is used.
Embodiment one
As shown in figure 5, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, deuterium lamp can darkening
Strong device 506, the second optical fiber input adapter 507 of Multiplexing apparatus, tungsten lamp 508, it is seen that attenuating filters 509, Multiplexing apparatus
The 3rd optical fiber input adapter 510, long wave pass filter 511, the device 512 of the variable intensity of tungsten lamp 508, the 4th of Multiplexing apparatus the
Optical fiber input adapter 513, the light 514 that the first direction of deuterium lamp 501 is produced, the light 515 that the second direction of deuterium lamp 501 is produced, tungsten lamp 508
The light 516 that first direction is produced, the light 517 that the second direction of tungsten lamp 508 is produced.First optical fiber input adapter, 503, second light
Fine input adapter 507, the 3rd optical fiber input adapter 509 and the 4th optical fiber input adapter 513 constitute Multiplexing apparatus, and Multiplexing apparatus can
Being bifurcated or compartition formula.After short wave pass filter 502, it is included the light 514 that the first direction of deuterium lamp 501 is produced
The visible ray of 656.1nm spikes spectrum is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light that the first direction of deuterium lamp 501 is produced
514, the light the first optical fiber of Jing input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, deuterium
The light 515 that the second direction of lamp 501 is produced produces 400nm blue light components spectrum, the part after 400nm bandpass filters 505
Jing after the device-Motor drive iris 506 of the variable intensity of deuterium lamp 501 adjusts suitable light intensity, the optical fiber of Jing second is input into light
Joint 507 enters optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus；The Jing of light 516 that the first direction of tungsten lamp 508 is produced
After crossing visible attenuating filters 509, its visible light part is attenuated to balance ultraviolet light that it sends with the tungsten lamp 508 and near red
The relative intensity of outer light；When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible ray
Part will not be to the spectrometer saturation using CCD or CMOS as detector；The visible ray of the decay and ultraviolet light and near infrared light
The optical fiber input adapters 510 of Jing the 3rd are coupled into optical fiber, enter back into the optical fiber output joint 504 of Multiplexing apparatus, tungsten lamp 508 second
After long wave pass filter 511, wherein ultraviolet light and visible ray are filtered and are obtained near infrared spectrum the light 517 that direction produces,
The part light Jing after the device-Motor drive iris 512 of the variable intensity of tungsten lamp 508 adjusts suitable light intensity, the light of Jing the 4th
Fine input adapter 513 enters optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, the optical fiber in Multiplexing apparatus is defeated
Go out on the ultraviolet light and blue spectrum, the second direction of deuterium lamp 501 that just can be obtained the first direction of deuterium lamp 501 at joint 504
To 400nm blue light components spectrum, the first direction of tungsten lamp 508 obtain ultraviolet light, decay visible ray and near infrared light and tungsten
The near infrared light spectrum superposition that the second direction of lamp 508 is obtained, is put down with obtaining the entirety for including ultraviolet light, visible low beam and infrared light
The broadband spectral that slow, broadband and near infrared light intensity are almost doubled.Coordinated using CCD or CMOS as detection with the broadband spectral
When the spectrometer of device carries out spectral measurement, higher signal to noise ratio can be obtained near infrared light.Additionally, when the overall light of increase
During source strength (including ultraviolet light, visible ray and near infrared light), visible light part will not be to such in very big dynamic range
Spectrometer saturation.
Preferably, Multiplexing apparatus can be by including having respectively the 1st of two input adapters and an out splice going splice
Unification y-type optical fiber, the second Two-in-one Y-shaped optical fiber and the 3rd Two-in-one Y-shaped optical fiber composition.The two of first Two-in-one Y-shaped optical fiber
First optical fiber input adapter 503 and second optical fiber input adapter 507 of the individual input adapter respectively as Multiplexing apparatus；Two or two closes
Two input adapters of one y-type optical fiber are input into respectively as the 3rd optical fiber input adapter 510 and the 4th optical fiber of Multiplexing apparatus and connect
513；Two input adapters of the 3rd Two-in-one Y-shaped optical fiber respectively with the first Two-in-one Y-shaped optical fiber, the second Two-in-one Y-shaped light
Fine out splice going splice connection, the out splice going splice of the 3rd Two-in-one Y-shaped optical fiber is the optical fiber output joint 504 of Multiplexing apparatus.
The light that the first direction of deuterium lamp 501 is produced is coupled into the first Two-in-one Y-shaped light after short wave pass filter 502
Fine one of input adapter, the light that the second direction of deuterium lamp 501 is produced is coupled into after 400nm bandpass filters 505
Another input adapter of first Two-in-one Y-shaped optical fiber；The light that the first direction of tungsten lamp 508 is produced is through visible attenuating filters
One of input adapter of the second Two-in-one Y-shaped optical fiber is coupled into after 509, the light that the second direction of tungsten lamp 508 is produced is passed through
Another input adapter of the second Two-in-one Y-shaped optical fiber is coupled into after long wave pass filter 511；First Two-in-one Y-shaped optical fiber
Out splice going splice connect the 3rd Two-in-one Y-shaped optical fiber one of input adapter, the out splice going splice of the second Two-in-one Y-shaped optical fiber
Connect another input adapter of the 3rd Two-in-one Y-shaped optical fiber, in the out splice going splice output of the 3rd Two-in-one Y-shaped optical fiber purple is included
The broadband spectral that overall gentle, broadband and the near infrared light intensity of outer light, visible ray and near infrared light is almost doubled.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Embodiment two
As shown in fig. 6, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, deuterium lamp can darkening
The wheeled gradual change neutral colour filter 601 of strong device-Motor drive, the second optical fiber input adapter 507 of Multiplexing apparatus, tungsten lamp 508,
It can be seen that attenuating filters 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus, long wave pass filter 511, tungsten lamp 508 can darkening
The wheeled gradual change neutral colour filter 602 of strong device-Motor drive, the 4th optical fiber input adapter 513 of Multiplexing apparatus, deuterium lamp 501
The light 514 that first direction is produced, the light 515 that the second direction of deuterium lamp 501 is produced, the light 516 that the first direction of tungsten lamp 508 is produced, tungsten
The light 517 that the second direction of lamp 508 is produced.Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus,
Three optical fiber input adapters 509 and the 4th optical fiber input adapter 513 constitute Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition
Formula.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum after 400nm bandpass filters 505, the part light Jing deuterium lamp variable intensities
The wheeled gradual change neutral colour filter 601 of device-Motor drive adjust after suitable light intensity, the second optical fiber of Jing input adapter 507 enters
Enter optical fiber, enter back into the optical fiber output joint 504 of Multiplexing apparatus, the light 516 that the first direction of tungsten lamp 508 is produced is through visible decay
After optical filter 509, its visible light part is attenuated relative with the ultraviolet light and near infrared light that the tungsten lamp 508 sends to balance it
Intensity；When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible light part will not be right
Using CCD or CMOS as the spectrometer saturation of detector；The visible ray of the decay and ultraviolet light and the optical fiber of near infrared light Jing the 3rd
Input adapter 510 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, what the second direction of tungsten lamp 508 was produced
After long wave pass filter 511, wherein ultraviolet light and visible ray are filtered and are obtained near infrared spectrum light 517, part light Jing
The wheeled gradual change neutral colour filter 602 of device-Motor drive of the variable intensity of tungsten lamp 508 is adjusted after suitable light intensity, the light of Jing the 4th
Fine input adapter 513 enters optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, the optical fiber in Multiplexing apparatus is defeated
Go out on the ultraviolet light and blue spectrum, the second direction of deuterium lamp 501 that just can be obtained the first direction of deuterium lamp 501 at joint 504
To 400nm blue light components spectrum, the first direction of tungsten lamp 508 obtain ultraviolet light, decay visible ray and near infrared light and tungsten
The near infrared light spectrum superposition that the second direction of lamp 508 is obtained, is put down with obtaining the entirety for including ultraviolet light, visible low beam and infrared light
The broadband spectral that slow, broadband and near infrared light intensity are almost doubled.Coordinated using CCD or CMOS as detection with the broadband spectral
When the spectrometer of device carries out spectral measurement, higher signal to noise ratio can be obtained near infrared light.Additionally, when the overall light of increase
During source strength (including ultraviolet light, visible ray and near infrared light), visible light part will not be to such in very big dynamic range
Spectrometer saturation.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Embodiment three
As shown in fig. 7, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, deuterium lamp can darkening
Strong device-Motor drive wedge-shaped board to 701, the second optical fiber input adapter 507 of Multiplexing apparatus, tungsten lamp 508, it is seen that decay filter
Mating plate 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus, long wave pass filter 511, the device of the variable intensity of tungsten lamp 508-
Motor drive wedge-shaped board to 702, the 4th optical fiber input adapter 513 of Multiplexing apparatus, the light 514 that the first direction of deuterium lamp 501 is produced,
The light 515 that the second direction of deuterium lamp 501 is produced, the light 516 that the first direction of tungsten lamp 508 is produced, the light that the second direction of tungsten lamp 508 is produced
517.Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus, the 3rd optical fiber input adapter 509 and
Four optical fiber input adapter 513 constitutes Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition formula.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum after 400nm bandpass filters 505, the part light Jing deuterium lamp variable intensities
Device-Motor drive wedge-shaped board adjust after suitable light intensity to 701, the second optical fiber of Jing input adapter 507 enters optical fiber, then enters
Enter the optical fiber output joint 504 of Multiplexing apparatus, the light 516 that the first direction of tungsten lamp 508 is produced is through visible attenuating filters 509
Afterwards, its visible light part is attenuated to balance the relative intensity of ultraviolet light that it sends with the tungsten lamp 508 and near infrared light；Work as increasing
Plus integrated light source intensity including ultraviolet light, visible ray and near infrared light intensity when, the visible light part will not to CCD or
Spectrometer saturations of the CMOS as detector；The visible ray of the decay and ultraviolet light and the optical fiber input adapters of near infrared light Jing the 3rd
510 are coupled into optical fiber, enter back into the optical fiber output joint 504 of Multiplexing apparatus, the Jing of light 517 that the second direction of tungsten lamp 508 is produced
After crossing long wave pass filter 511, wherein ultraviolet light and visible ray filtered and near infrared spectrum, part light Jing tungsten lamp 508
The device of variable intensity-Motor drive wedge-shaped board is adjusted after suitable light intensity to 702, and the optical fiber input adapters 513 of Jing the 4th are entered
Optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, just can be with the optical fiber output joint 504 of Multiplexing apparatus
The ultraviolet light that the first direction of deuterium lamp 501 is obtained and the 400nm blue light components obtained in blue spectrum, the second direction of deuterium lamp 501
Ultraviolet light, the visible ray of decay and the near infrared light and the second direction of tungsten lamp 508 that spectrum, the first direction of tungsten lamp 508 are obtained is obtained
The superposition of near infrared light spectrum, with obtain include ultraviolet light, visible low beam and infrared light it is overall gently, broadband and near-infrared
The broadband spectral that luminous intensity is almost doubled.The spectrometer using CCD or CMOS as detector is coordinated to carry out light with the broadband spectral
During spectrometry, higher signal to noise ratio can be obtained near infrared light.Additionally, when increase integrated light source intensity is (including ultraviolet
Light, visible ray and near infrared light) when, visible light part will not be to such spectrometer saturation in very big dynamic range.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Example IV
As shown in figure 8, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, Multiplexing apparatus
Second optical fiber input adapter 507, tungsten lamp 508, it is seen that attenuating filters 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus,
Long wave pass filter 511, the 4th optical fiber input adapter 513 of Multiplexing apparatus, the light 514 that the first direction of deuterium lamp 501 is produced, deuterium lamp
The light 515 that 501 second directions are produced, the light 516 that the first direction of tungsten lamp 508 is produced, the light 517 that the second direction of tungsten lamp 508 is produced.
Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus, the 3rd optical fiber input adapter 509 and the 4th light
Fine input adapter 513 constitutes Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition formula.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum, varied second optical fiber of the part light after 400nm bandpass filters 505
Input adapter 507 is adjusted after suitable light intensity with deuterium lamp 501 apart from D1, and the second optical fiber of Jing input adapter 507 enters optical fiber,
The optical fiber output joint 504 of Multiplexing apparatus is entered back into, the light 516 that the first direction of tungsten lamp 508 is produced is through visible attenuating filters
After 509, its visible light part is attenuated to balance the relative intensity of ultraviolet light that it sends with the tungsten lamp 508 and near infrared light；
When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible light part will not be to CCD
Or CMOS is used as the spectrometer saturation of detector；The visible ray of the decay connects with ultraviolet light and the input of the optical fiber of near infrared light Jing the 3rd
510 are coupled into optical fiber, enter back into the optical fiber output joint 504 of Multiplexing apparatus, the light 517 that the second direction of tungsten lamp 508 is produced
After long wave pass filter 511, wherein ultraviolet light obtains near infrared spectrum, the part light the varied 4th with seeing light to be filtered
Optical fiber input adapter 513 is adjusted after suitable light intensity with tungsten lamp 508 apart from D2, and the optical fiber input adapters 513 of Jing the 4th are entered
Optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, just can be with the optical fiber output joint 504 of Multiplexing apparatus
The ultraviolet light that the first direction of deuterium lamp 501 is obtained and the 400nm blue light components obtained in blue spectrum, the second direction of deuterium lamp 501
Ultraviolet light, the visible ray of decay and the near infrared light and the second direction of tungsten lamp 508 that spectrum, the first direction of tungsten lamp 508 are obtained is obtained
The superposition of near infrared light spectrum, with obtain include ultraviolet light, visible low beam and infrared light it is overall gently, broadband and near-infrared
The broadband spectral that luminous intensity is almost doubled.The spectrometer using CCD or CMOS as detector is coordinated to carry out light with the broadband spectral
During spectrometry, higher signal to noise ratio can be obtained near infrared light.Additionally, when increase integrated light source intensity is (including ultraviolet
Light, visible ray and near infrared light) when, visible light part will not be to such spectrometer saturation in very big dynamic range.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Embodiment five
As shown in figure 9, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, Multiplexing apparatus
Second optical fiber input adapter 507, tungsten lamp 508, it is seen that attenuating filters 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus,
Long wave pass filter 511, the 4th optical fiber input adapter 513 of Multiplexing apparatus, the light 514 that the first direction of deuterium lamp 501 is produced, deuterium lamp
The light 515 that 501 second directions are produced, the light 516 that the first direction of tungsten lamp 508 is produced, the light 517 that the second direction of tungsten lamp 508 is produced.
Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus, the 3rd optical fiber input adapter 509 and the 4th light
Fine input adapter 513 constitutes Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition formula.Second optical fiber input adapter 507 and
There is optical coupling structure, the optical fiber group that optical coupling structure is mutually coupled by two sections in the optical fiber of four optical fiber input adapters 513
Into.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum after 400nm bandpass filters 505, part light Jing the second optical fiber inputs
Joint 507 enters optical fiber, two coupling optical fiber apart from D3 in the optical coupling structure of varied second optical fiber input adapter 507
After adjusting suitable light intensity, the optical fiber output joint 504 of Multiplexing apparatus, the Jing of light 516 that the first direction of tungsten lamp 508 is produced are entered back into
After crossing visible attenuating filters 509, its visible light part is attenuated to balance ultraviolet light that it sends with the tungsten lamp 508 and near red
The relative intensity of outer light；When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible ray
Part will not be to the spectrometer saturation using CCD or CMOS as detector；The visible ray of the decay and ultraviolet light and near infrared light
The optical fiber input adapters 510 of Jing the 3rd are coupled into optical fiber, enter back into the optical fiber output joint 504 of Multiplexing apparatus, tungsten lamp 508 second
After long wave pass filter 511, wherein ultraviolet light obtains near infrared spectrum with seeing light to be filtered to the light 517 that direction produces, should
The smooth input adapters 513 of part light Jing the 4th enter optical fiber, two in the optical coupling structure of varied 4th optical fiber input adapter 513
Adjusting after suitable light intensity apart from D4 for coupling optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, closing
The ultraviolet light that just first direction of deuterium lamp 501 can be obtained at the optical fiber output joint 504 of electro-optical device and blue spectrum, deuterium lamp
Ultraviolet light, the visible ray of decay that the 400nm blue light components spectrum that obtain in 501 second directions, the first direction of tungsten lamp 508 are obtained
The near infrared light spectrum obtained near infrared light and the second direction of tungsten lamp 508 is superimposed, with obtain include ultraviolet light, visible low beam and
The broadband spectral that overall gentle, broadband and the near infrared light intensity of infrared light is almost doubled.Coordinated with CCD with the broadband spectral
Or CMOS as the spectrometer of detector when carrying out spectral measurement, higher signal to noise ratio can be obtained near infrared light.This
Outward, when integrated light source intensity (including ultraviolet light, visible ray and near infrared light) is increased, the visible ray in very big dynamic range
Part will not be to such spectrometer saturation.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Embodiment six
As shown in Figure 10, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, Multiplexing apparatus
Second optical fiber input adapter 507, tungsten lamp 508, it is seen that attenuating filters 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus,
Long wave pass filter 511, the 4th optical fiber input adapter 513 of Multiplexing apparatus, the light 514 that the first direction of deuterium lamp 501 is produced, deuterium lamp
The light 515 that 501 second directions are produced, the light 516 that the first direction of tungsten lamp 508 is produced, the light 517 that the second direction of tungsten lamp 508 is produced.
Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus, the 3rd optical fiber input adapter 509 and the 4th light
Fine input adapter 513 constitutes Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition formula.Second optical fiber input adapter 507 and
There are collimator lens in four optical fiber input adapters 513.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum, varied second optical fiber of the part light after 400nm bandpass filters 505
Collimator lens and optical fiber are adjusted after suitable light intensity apart from D5 in input adapter 507, the second optical fiber of Jing input adapter 507
Into optical fiber, the optical fiber output joint 504 of Multiplexing apparatus is entered back into, the light 516 that the first direction of tungsten lamp 508 is produced declines through visible
After subtracting optical filter 509, its visible light part is attenuated to balance the phase of ultraviolet light that it sends with the tungsten lamp 508 and near infrared light
To intensity；When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible light part will not
To the spectrometer saturation using CCD or CMOS as detector；The visible ray of the decay and ultraviolet light and the light of near infrared light Jing the 3rd
Fine input adapter 510 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of tungsten lamp 508 is produced
Light 517 after long wave pass filter 511, wherein ultraviolet light and see light filtered and near infrared spectrum, part light Jing
Change adjusting after suitable light intensity apart from D6 for collimator lens and optical fiber in the 4th optical fiber input adapter 513, the light of Jing the 4th
Fine input adapter 513 enters optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, the optical fiber in Multiplexing apparatus is defeated
Go out on the ultraviolet light and blue spectrum, the second direction of deuterium lamp 501 that just can be obtained the first direction of deuterium lamp 501 at joint 504
To 400nm blue light components spectrum, the first direction of tungsten lamp 508 obtain ultraviolet light, decay visible ray and near infrared light and tungsten
The near infrared light spectrum superposition that the second direction of lamp 508 is obtained, is put down with obtaining the entirety for including ultraviolet light, visible low beam and infrared light
The broadband spectral that slow, broadband and near infrared light intensity are almost doubled.Coordinated using CCD or CMOS as detection with the broadband spectral
When the spectrometer of device carries out spectral measurement, higher signal to noise ratio can be obtained near infrared light.Additionally, when the overall light of increase
During source strength (including ultraviolet light, visible ray and near infrared light), visible light part will not be to such in very big dynamic range
Spectrometer saturation.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
Embodiment seven
As shown in figure 11, the present embodiment middle width strip spectroscopic light source includes deuterium lamp 501, short wave pass filter 502, Multiplexing apparatus
The first optical fiber input adapter 503, the optical fiber output joint 504 of Multiplexing apparatus, 400nm bandpass filters 505, Multiplexing apparatus
Second optical fiber input adapter 507, tungsten lamp 508, it is seen that attenuating filters 509, the 3rd optical fiber input adapter 510 of Multiplexing apparatus,
Long wave pass filter 511, the 4th optical fiber input adapter 513 of Multiplexing apparatus, the light 514 that the first direction of deuterium lamp 501 is produced, deuterium lamp
The light 515 that 501 second directions are produced, the light 516 that the first direction of tungsten lamp 508 is produced, the light 517 that the second direction of tungsten lamp 508 is produced.
Second optical fiber input adapter 507 of the first optical fiber input adapter 503, Multiplexing apparatus, the 3rd optical fiber input adapter 509 and the 4th light
Fine input adapter 513 constitutes Multiplexing apparatus, and Multiplexing apparatus can be bifurcated or compartition formula.Second optical fiber input adapter 507 and
The optical fiber of different core diameters is set in four optical fiber input adapters 513.
After short wave pass filter 502, it includes 656.1nm spikes spectrum to the light 514 that the first direction of deuterium lamp 501 is produced
Visible ray is filtered obtains gentle blue light and ultraviolet spectra, i.e., the light 514 that the first direction of deuterium lamp 501 is produced, light Jing first
Optical fiber input adapter 503 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of deuterium lamp 501 is produced
Raw light 515 produces 400nm blue light components spectrum, part light Jing different-diameter couplings after 400nm bandpass filters 505
Optical fiber and regulation different-diameter couple adjusting after suitable light intensity apart from D7 for optical fiber, the second optical fiber of Jing input adapter 507
Into optical fiber, the optical fiber output joint 504 of Multiplexing apparatus is entered back into, the light 516 that the first direction of tungsten lamp 508 is produced declines through visible
After subtracting optical filter 509, its visible light part is attenuated to balance the phase of ultraviolet light that it sends with the tungsten lamp 508 and near infrared light
To intensity；When increase integrated light source intensity includes the intensity of ultraviolet light, visible ray and near infrared light, the visible light part will not
To the spectrometer saturation using CCD or CMOS as detector；The visible ray of the decay and ultraviolet light and the light of near infrared light Jing the 3rd
Fine input adapter 510 is coupled into optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus, and the second direction of tungsten lamp 508 is produced
Light 517 after long wave pass filter 511, wherein ultraviolet light and see light filtered and near infrared spectrum, part light Jing
Different-diameter couples optical fiber and adjusts adjusting after suitable light intensity apart from D8 for different-diameter coupling optical fiber, the optical fiber of Jing the 4th
Input adapter 513 enters optical fiber, enters back into the optical fiber output joint 504 of Multiplexing apparatus.Thus, in the optical fiber output of Multiplexing apparatus
At joint 504 just can using the multispectral principle of combination, the ultraviolet light that the first direction of deuterium lamp 501 is obtained and blue spectrum,
Ultraviolet light that the 400nm blue light components spectrum that obtain in the second direction of deuterium lamp 501, the first direction of tungsten lamp 508 are obtained, decay can
See the near infrared light spectrum superposition that light and near infrared light and the second direction of tungsten lamp 508 obtain, with obtain include ultraviolet light, it is visible closely
The broadband spectral that overall gentle, broadband and the near infrared light intensity of light and infrared light is almost doubled.Coordinated with the broadband spectral
When carrying out spectral measurement as the spectrometer of detector using CCD or CMOS, higher noise can be obtained near infrared light
Than.Additionally, when integrated light source intensity (including ultraviolet light, visible ray and near infrared light) is increased, in very big dynamic range
Visible light part will not be to such spectrometer saturation.Using the side that near infrared light is multiple coupled, visible ray and ultraviolet light light are coupled less
Method, i.e. optical fiber used by the second direction of tungsten lamp 508 adopt the optical fiber of larger core diameter to balance the light intensity of each several part, with overcome because
The relatively weak defect of near infrared portion that is causing for the responsiveness of CCD or COMS near infrared light is low.
In the present embodiment, the input of light and fibre-optical splice or output coupling are direct-coupling or use Lens Coupling.
In the utility model, the output intensity of tungsten lamp 508 can be adjusted by adjusting its driving current, to change
Secondary light source electric current and change ultraviolet spectrum, visible light and the near infrared light light obtained on the first direction of secondary light source
The intensity of near infrared spectrum that the second direction of spectrum and secondary light source is obtained so that this two sections of spectral intensities with from the first light
The gentle blue light that source obtains matches with ultraviolet spectra intensity and obtains gentle entirety, broadband and near infrared light intensity and almost add
Broadband spectral again.
Deuterium lamp, the optical fiber output joint of tungsten lamp 508 can also be separately provided for the neutral optical attenuation piece of balancing light intensity.
In the utility model, using near infrared light multiple coupled (such as with compared with large core fiber), visible ray and ultraviolet light
The method that light is coupled less (such as use less core optical fibers), i.e., the optical fiber used by the second direction of tungsten lamp 508 is using larger core diameter
Optical fiber is balancing the light intensity of each several part.Cause because responsivenesses of the CCD or COMS near infrared light is low near can be overcome
The relatively weak defect of infrared portions.
Tungsten lamp 508 can be other light sources including ultraviolet light, visible ray and near infrared light；Such as deuterium lamp.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model
In the case of, those of ordinary skill in the art work as can make various corresponding changes and deformation, but these according to the utility model
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (12)
1. a kind of broadband spectral light source, it is characterised in that include:First light source, short wave pass filter, 400nm bandpass filters,
Secondary light source, visible attenuating filters, long wave pass filter and Multiplexing apparatus, the Multiplexing apparatus are to include that four optical fiber are defeated
Enter the four-in-one optical fiber of joint and an optical fiber output joint, first light source is ultraviolet light and blue light source, described the
Two light sources are the light source for including ultraviolet light, visible ray and near infrared light,
The light that the first direction of first light source is produced obtains blue light and ultraviolet spectra, institute after the short wave pass filter
State blue light and be coupled into the first optical fiber input adapter of the Multiplexing apparatus with ultraviolet spectra；
The light that the second direction of first light source is produced obtains 400nm blue light components after the 400nm bandpass filters
Spectrum, the 400nm blue light components spectrum is filled by the first variable intensity device or change first light source with the closing light
The coupling distance of the optical transmission apparatus between the optical fiber output joint put to adjust light intensity after export, the 400nm blue light components
Spectrum is coupled into the second optical fiber input adapter of the Multiplexing apparatus；
The light that the first direction of the secondary light source is produced obtains visible light part and is declined after the visible attenuating filters
The light for subtracting, what the visible light part was attenuated is optically coupled into the 3rd optical fiber input adapter of the Multiplexing apparatus；
The light that the second direction of the secondary light source is produced obtains near infrared spectrum after the long wave pass filter, described near
Infrared spectrum by the second variable intensity device or change the secondary light source and the Multiplexing apparatus optical fiber output joint it
Between optical transmission apparatus coupling distance to adjust light intensity after export；The near infrared spectrum is coupled into the Multiplexing apparatus
4th optical fiber input adapter；
The Multiplexing apparatus by the light entered by four optical fiber input adapters carry out Jing after closing light described in optical fiber output joint
Output includes the gentle broadband spectral of the entirety of ultraviolet light, visible ray and near infrared light.
2. light source according to claim 1, it is characterised in that the Multiplexing apparatus include thering is two input adapters respectively
And the first Two-in-one Y-shaped optical fiber of an out splice going splice, the second Two-in-one Y-shaped optical fiber and the 3rd Two-in-one Y-shaped optical fiber；
First optical fiber input adapter of two input adapters of the first Two-in-one Y-shaped optical fiber respectively as the Multiplexing apparatus
With the second optical fiber input adapter；
Threeth optical fiber input adapter of two input adapters of the second Two-in-one Y-shaped optical fiber respectively as the Multiplexing apparatus
With the 4th optical fiber input adapter；
Two input adapters of the 3rd Two-in-one Y-shaped optical fiber respectively with the first Two-in-one Y-shaped optical fiber, second two-in-one
The out splice going splice connection of y-type optical fiber, the out splice going splice of the 3rd Two-in-one Y-shaped optical fiber is the optical fiber output of the Multiplexing apparatus
Joint.
3. light source according to claim 1, it is characterised in that the device of the first variable intensity of first light source is electricity
Machine drives iris, the wheeled gradual change neutral colour filter of Motor drive or Motor drive wedge-shaped board pair；
The device of the second variable intensity of the secondary light source is Motor drive iris, the neutral filter of the wheeled gradual change of Motor drive
Mating plate or Motor drive wedge-shaped board pair.
4. light source according to claim 1, it is characterised in that
The altered second optical fiber input adapter of light and first light source that the second direction of first light source is produced
Distance and adjust its light intensity；
The altered 4th optical fiber input adapter of light and the secondary light source that the second direction of the secondary light source is produced
Distance and adjust its light intensity.
5. light source according to claim 1, it is characterised in that the second optical fiber input adapter and the 4th optical fiber
Optical coupling structure is respectively arranged with the optical fiber of input adapter；
The light that the second direction of the first light source is produced is by fiber coupling knot in the optical fiber for adjusting the second optical fiber input adapter
The distance of structure and adjust its intensity, the light that the second direction of secondary light source is produced is by adjusting the 4th optical fiber input adapter
The distance of optical coupling structure in optical fiber and adjust its intensity.
6. light source according to claim 1, it is characterised in that the light that the second direction of first light source is produced is varied
Collimator lens in the second optical fiber input adapter and the distance of optical fiber and adjust its intensity；
Collimator lens and optical fiber in the varied 4th optical fiber input adapter of light that the second direction of the secondary light source is produced
Distance and adjust its intensity.
7. light source according to claim 1, it is characterised in that by arranging different cores in the second optical fiber input adapter
The light intensity of the light that the optical fiber in footpath is produced with the second direction for changing first light source；The 4th optical fiber input adapter is by setting
The light intensity of the light that the second direction for putting the optical fiber of different core diameters to change the secondary light source is produced.
8. light source according to claim 7, it is characterised in that using near infrared light is multiple coupled, visible ray and ultraviolet light light
The method of few coupling, i.e., the optical fiber used by the second direction of described secondary light source adopts the optical fiber of larger core diameter to balance each several part
Light intensity.
9. the light source according to any one of claim 1 to 8, it is characterised in that the Multiplexing apparatus are bifurcated or compartition formula；
And the light and fibre-optical splice input or output coupling be direct-coupling or use Lens Coupling.
10. the light source according to any one of claim 1 to 8, it is characterised in that the output intensity of the secondary light source passes through
Adjust its driving current to be adjusted, obtain on the first direction of secondary light source ultraviolet is changed to change secondary light source electric current
The intensity of the near infrared spectrum that the second direction of light spectrum, visible light and near infrared light spectrum and secondary light source is obtained.
11. light sources according to any one of claim 1 to 8, it is characterised in that four optical fiber input adapters also set up
There is the neutral optical attenuation piece for adjustment light intensity.
12. light sources according to any one of claim 1 to 8, it is characterised in that first light source be deuterium lamp, hydrogen lamp or
Xenon lamp, the secondary light source is tungsten lamp or xenon lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099738.9U CN206161157U (en) | 2016-09-30 | 2016-09-30 | Broadband spectroscopic light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099738.9U CN206161157U (en) | 2016-09-30 | 2016-09-30 | Broadband spectroscopic light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059411A1 (en) * | 2016-09-30 | 2018-04-05 | 高利通科技（深圳）有限公司 | Broad spectrum light source |
| CN110361333A (en) * | 2018-03-26 | 2019-10-22 | 高利通科技（深圳）有限公司 | Small combined light supply apparatus for spectrum analysis |
-
2016
- 2016-09-30 CN CN201621099738.9U patent/CN206161157U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059411A1 (en) * | 2016-09-30 | 2018-04-05 | 高利通科技（深圳）有限公司 | Broad spectrum light source |
| CN110361333A (en) * | 2018-03-26 | 2019-10-22 | 高利通科技（深圳）有限公司 | Small combined light supply apparatus for spectrum analysis |
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