CN107976254A - A kind of fiber spectrometer and multichannel optical fiber spectrometer device - Google Patents
A kind of fiber spectrometer and multichannel optical fiber spectrometer device Download PDFInfo
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- CN107976254A CN107976254A CN201711127699.8A CN201711127699A CN107976254A CN 107976254 A CN107976254 A CN 107976254A CN 201711127699 A CN201711127699 A CN 201711127699A CN 107976254 A CN107976254 A CN 107976254A
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- 239000000835 fiber Substances 0.000 title claims abstract description 90
- 239000013307 optical fiber Substances 0.000 title claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 238000001228 spectrum Methods 0.000 claims abstract description 26
- 230000003595 spectral effect Effects 0.000 claims abstract description 11
- 201000009310 astigmatism Diseases 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000003384 imaging method Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 230000004313 glare Effects 0.000 description 8
- 238000013519 translation Methods 0.000 description 5
- 206010010071 Coma Diseases 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 208000001644 thecoma Diseases 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
- G01J3/0221—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers the fibers defining an entry slit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0262—Constructional arrangements for removing stray light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0291—Housings; Spectrometer accessories; Spatial arrangement of elements, e.g. folded path arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0294—Multi-channel spectroscopy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0297—Constructional arrangements for removing other types of optical noise or for performing calibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
Abstract
The invention discloses a kind of fiber spectrometer and multichannel optical fiber spectrometer device.The multichannel optical fiber spectrometer device of the present invention, including the fiber spectrometer that multiple structures are similar, output waveband is different, each fiber spectrometer includes fibre-optical splice, entrance slit, collimating mirror, grating, focus lamp, cylindrical mirror, optical filter, linear array detector.Enter the light of entrance slit by fibre-optical splice, collimated mirror is reflected into directional light, incides on grating, then is converged by the diffraction light that focus lamp produces grating, is imaged onto after filtering out second order spectrum via cylindrical mirror elimination astigmatism, optical filter on linear array detector.The output waveband of each fiber spectrometer is relatively narrow, but spectral resolution is very high, and there are one section of spectra overlapping region for two neighboring fiber spectrometer, each fiber spectrometer is together in parallel by one point of multi fiber, and spectrum is spliced by data processing, so that whole multichannel optical fiber spectrometer device realizes the high-resolution monochromatic light output of broadband.
Description
Technical field
The present invention relates to technical field of optical instrument, more particularly to a kind of fiber spectrometer and multichannel of the veiling glare that disappears
Fiber spectrometer device.
Background technology
Fiber spectrometer has in numerous areas such as color measuring, water quality monitoring, gemstone testing, LED measurements widely should
With, and service band scope and resolution ratio are most important performance parameters in fiber spectrometer, but it is wide in fiber spectrometer
Wave band and high-resolution are a pair of of intrinsic contradictions, and conventional fiber spectrometer can not obtain broadband and high-resolution spectrum letter
Breath, this contradiction restrict the lifting of fiber spectrometer performance, also limit further genralrlization and the application of fiber spectrometer.
The content of the invention
In view of this, an embodiment of the present invention provides a kind of fiber spectrometer and multichannel optical fiber spectrometer device, to obtain
Broadband spectral information is taken, while ensures high spectral resolution.
In a first aspect, providing a kind of fiber spectrometer in the embodiment of the present invention, it includes：Fibre-optical splice, entrance slit, standard
Straight mirror, grating, focus lamp, cylindrical mirror, optical filter and linear array detector；It is narrow that the incidence is entered by the fibre-optical splice first
The light of seam, directional light is reflected into through the collimating mirror, and then directional light is incided on the grating, and the grating produces diffraction
Light, afterwards again converges diffraction light by the focus lamp, then via the cylindrical mirror to eliminate astigmatism and the filter
Mating plate filters out second order spectrum, is finally imaged onto on the linear array detector.
Alternatively, the fiber spectrometer uses Cheney-Tener Czerny-Turner light channel structures, the fiber spectrum
Instrument is equipped with host cavity, and the collimating mirror is concave mirror, and the focus lamp is concave mirror, and the entrance slit is located at institute
State on the front inner wall of host cavity, the grating is located above the entrance slit.
Alternatively, the collimating mirror is located at the rear side of the host cavity, and the focus lamp is located at the upper of the collimating mirror
Side.
Alternatively, the cylindrical mirror is located at the front upper place of the grating, and the optical filter is located at before the cylindrical mirror, institute
Linear array detector is stated to be located in front of the optical filter.
Alternatively, the first diaphragm, the second diaphragm and the 3rd diaphragm are further included, first diaphragm is arranged in front of the grating
It is connected with the grating, second diaphragm is arranged on above the collimating mirror and is connected with the collimating mirror, and the 3rd diaphragm is set
In the upper inside walls of the host cavity, and the 3rd diaphragm is arranged between the linear array detector and the focus lamp.
Alternatively, further include and lead glue groove, grating adjustment component, imaging lens adjustment component and detector adjustment component, it is described
Collimating mirror is led in glue groove described in being arranged on, and the grating adjustment component is connected with the grating, the imaging lens adjustment component and institute
Focus lamp connection is stated, the detector adjustment component is connected with the linear array detector.
Second aspect, the present invention provide a kind of multichannel optical fiber spectrometer device, including：At least two fiber spectrums
Instrument, the output waveband of two fiber spectrometers is different and there are one section of spectra overlapping region, splices light by data processing
Spectrum, makes the whole multichannel optical fiber spectrometer device realize broadband output.
Optionally, two fiber spectrometers pass through one point of multi fiber parallel connection so that each described fiber spectrometer
Incident light be identical.
Optionally, the wave band of each fiber spectrometer output is less than 100nm, each fiber spectrometer
Spectral resolution is more than 0.1nm.
Optionally, the multichannel optical fiber spectrometer device is equipped with total control circuit, for regulating and controlling any one of light
The working status of optical fiber spectrograph, each described fiber spectrometer is designed with independent controling circuit, for independent operating.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
1st, the multichannel optical fiber spectrometer device, including the optical fiber light that multiple structures are similar, output waveband is different
Spectrometer, each fiber spectrometer include fibre-optical splice, entrance slit, collimating mirror, grating, focus lamp, cylindrical mirror, optical filtering
Piece, linear array detector, the light of entrance slit is entered by fibre-optical splice, and collimated mirror is reflected into directional light, incides on grating, then
The diffraction light produced by focus lamp to grating converges, via cylindrical mirror eliminate astigmatism, optical filter filter out after second order spectrum into
As on linear array detector.The wave band of each fiber spectrometer output is less than 100nm, each described fiber spectrometer
Spectral resolution be more than 0.1nm, the output waveband of the adjacent fiber spectrometer of any two is different and there are one section of spectrum
Overlapping region, splices spectrum by data processing, the whole multichannel optical fiber spectrometer device is realized broadband output.
2nd, the fiber spectrometer uses Cheney-Tener Czerny-Turner light channel structures, and light path optimization process passes through conjunction
Reason sets the eccentric angle of the collimating mirror and the focus lamp, the coma of centre wavelength is eliminated, so as to balance edge wavelength
Coma, makes whole output waveband image quality uniform.
3rd, in the light path of the fiber spectrometer, the cylindrical mirror has been used to eliminate astigmatism, the optical filter filters out
Second order spectrum, the optical filter select high pass filter according to the situation of each described fiber spectrometer specific wave band to be exported
Mating plate, low pass filter or bandpass filter.
4th, grating adjustment component can adjust corner and the pitching of the grating, and the imaging lens adjustment component can be with
The pitching and translation of the focus lamp are adjusted, the detector adjustment component can adjust the translation of the linear array detector, lead to
The grating adjustment component, imaging lens adjustment component and detector adjustment component are crossed, can cause the optical fiber
Spectrometer forms a variety of different similar structures, exports different wave bands, with this so that multiple structures are similar, output waveband is different
The fiber spectrometer form the multichannel optical fiber spectrometer device.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of the fiber spectrometer of one embodiment of the invention；
Fig. 2 is the detailed internal configuration schematic diagram of the fiber spectrometer of one embodiment of the invention；
Fig. 3 is the overall structure diagram of the multichannel optical fiber spectrometer device of the present invention.
Reference numeral：Passage 1；Passage 22；Passage 33；Passage 44；Passage 55；Fibre-optical splice 6；Total control circuit
Case 7；Handle 8；Entrance slit 10；Collimating mirror 11；Grating 12；Focus lamp 13；Cylindrical mirror 14；Optical filter 15；Linear array detector 16；
First diaphragm 17；Second diaphragm 18；3rd diaphragm 19；Lead glue groove 20；Grating adjusts component 21；Imaging lens adjust component 22；Visit
Survey device adjustment component 23.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model that the present invention protects
Enclose.
Fig. 1 is refer to, for the light channel structure of the fiber spectrometer of the present invention, the fiber spectrometer uses Cheney-Tener
Czerny-Turner light channel structures.The fiber spectrometer includes：Fibre-optical splice 6, entrance slit 10, collimating mirror 11, grating
12nd, focus lamp 13, cylindrical mirror 14, optical filter 15 and linear array detector 16.The incidence is entered by the fibre-optical splice 6 first
The light of slit 10, directional light is reflected into through the collimating mirror 11, and then directional light is incided on the grating 12, the grating 12
Diffraction light is produced, diffraction light is converged by the focus lamp 13 again afterwards, then via the cylindrical mirror 14 to eliminate picture
Dissipate and the optical filter 15 filters out second order spectrum, be finally imaged onto on the linear array detector 16.The fiber spectrometer
Light path optimization process is by rationally setting the eccentric angle of the collimating mirror 11 and the focus lamp 13, to eliminate centre wavelength
Coma, so as to balance the coma of edge wavelength, makes whole output waveband image quality uniform.The eccentric angle of the collimating mirror 11 refers to
The angle of the normal of 11 reflecting surface of collimating mirror and 11 incident light of collimating mirror.The eccentric angle of the focus lamp 13 refers to
The angle of the normal of 13 reflecting surface of focus lamp and 13 incident light of focus lamp.The cylindrical mirror 14 is used for eliminating astigmatism,
The optical filter 15 is used for filtering out second order spectrum, and the optical filter 15 can the specific ripple that exported according to the fiber spectrometer
The situation of section, selects high-pass filter 15, low pass filter 15 or bandpass filter 15.
Fig. 2 is refer to, for the detailed internal configuration of the fiber spectrometer of one embodiment of the invention, the optical fiber light
Spectrometer is equipped with host cavity, and the collimating mirror 11 is concave mirror, and the focus lamp 13 is concave mirror, the entrance slit
10 on the front inner wall of the host cavity, and the grating 12 is positioned at the top of entrance slit 10.The collimating mirror 11
In the rear side of the host cavity, a part for the collimating mirror 11 is located at 12 back lower place of grating.The focus lamp 13
In the top of the collimating mirror 11, and the focus lamp 13 is located at the same side of the host cavity with the collimating mirror 11.It is described
Cylindrical mirror 14 is located at the front upper place of the grating 12, and the optical filter 15 is located at before the cylindrical mirror 14, the optical filter 15
It is equal in the height of the host cavity above-below direction with the cylindrical mirror 14.The linear array detector 16 is located at the optical filter 15
Front.
Fig. 2 is refer to, the fiber spectrometer further includes the first diaphragm 17, the second diaphragm 18 and the 3rd diaphragm 19.Institute
State the first diaphragm 17 to be connected with the grating 12 arranged on the front of grating 12, second diaphragm 18 is arranged on the collimating mirror 11
Top is connected with the collimating mirror 11, and the 3rd diaphragm 19 is arranged on the upper inside walls of the host cavity, and the 3rd diaphragm
19 are arranged between the linear array detector 16 and the focus lamp 13.First diaphragm 17, second diaphragm 18, described
Three diaphragms 19 contribute to eliminate veiling glare.By spuious optical analog, the spuious light distribution inside the fiber spectrometer is determined
Situation, assembles more serious region to veiling glare and sets diaphragm, to eliminate veiling glare, prevent veiling glare from being directly entered by reflection
The linear array detector 16.First diaphragm 17, second diaphragm 18, the groove structure of the 3rd diaphragm 19 can increase
Add the order of reflection of veiling glare so that veiling glare can be by first diaphragm 17, second diaphragm 18, the described 3rd
The delustring paint scribbled on diaphragm 19 and instrument inner wall absorbs, and is effectively reduced the fiber spectrometer stray light level.
Fig. 2 is refer to, the fiber spectrometer further includes grating adjustment component 21, imaging lens adjustment component 22 and detector
Component 23 is adjusted, the grating adjustment component 21 is connected with the grating 12, the imaging lens adjustment component 22 and the focusing
Mirror 13 connects, and the detector adjustment component 23 is connected with the linear array detector 16.The grating adjustment component 21 can be adjusted
The corner of the whole grating 12 and pitching, the imaging lens adjustment component 22 can adjust the pitching of the focus lamp 13 with putting down
Move, the detector adjustment component 23 can adjust the translation of the linear array detector 16, can so ensure the detector
Adjustment component 23 need to set translational movement to adjust, so as to reduce the resetting difficulty of the fiber spectrometer.Pass through the grating tune
Whole group part 21, imaging lens adjustment component 22 and detector adjustment component 23, can cause the fiber spectrometer
A variety of different similar structures are formed, export different wave bands.
In one of which embodiment, the fiber spectrometer, which further includes, leads glue groove 20, and the collimating mirror 11 is arranged on institute
State and lead in glue groove 20, the glue groove 20 of leading can increase the firmness that collimating mirror 11 is gluing described in light, so as to ensure instrument performance
Stabilization.The assembly precision of the collimating mirror 11 ensures that the microscope base of the collimating mirror 11 does not set adjustment amount by being machined.
In one of which embodiment, the grating 12 and the focus lamp 13 are fixed also by adhesive means.
In one of which embodiment, the optical element of the fiber spectrometer is fixed using adhesive means.
It refer to Fig. 2 and Fig. 3, the overall structure of multichannel optical fiber spectrometer device, the multichannel optical fiber spectrometer dress
Put that (power connection and USB joint are located at including passage 1, passage 22, passage 33, passage 44, passage 55, fibre-optical splice 6
The device back side, not shown in figure), total control circuit case 7 and handle 8.Five spectrum channels correspond to five optical fiber light
Spectrometer, five fiber spectrometers are in parallel by one point of five optical fiber so that optical signal assigns to five by one point of five optical fiber
In spectrum channel.The output waveband scope of passage 1 is 190nm-275nm, the output waveband scope of passage 22 is 270nm-
350nm, the output waveband scope of passage 33 are 346nm-419nm, the output waveband scope of passage 44 be 414nm-515nm,
The output waveband scope of passage 55 is 510nm-603nm.The wave band of each fiber spectrometer output is less than 100nm, often
The spectral resolution of one fiber spectrometer is more than 0.1nm.
Fig. 2 and Fig. 3 is refer to, the grating adjustment component 21 can adjust corner and the pitching of the grating 12, described
Imaging lens adjustment component 22 can adjust the pitching and translation of the focus lamp 13, and the detector adjustment component 23 can adjust
The translation of the linear array detector 16, can cause the fiber spectrometer to form a variety of different similar structures, and output is different
Wave band, allow five fiber spectrometers to be directed to different-waveband scope dispersion respectively with this.The multichannel optical fiber
Spectrometer device is equipped with total control circuit, can regulate and control the working status of each fiber spectrometer.Each described light
The spectrum of optical fiber spectrograph, into computer, is spliced each spectrum with special data processing software by data line transfer, from
And the high-resolution spectrum of broadband for obtaining incident light.
Five fiber spectrometers use similar structure, are required to carry out specific optics according to different output wavebands
Design and spuious optical analog and elimination.Each described fiber spectrometer is respectively provided with independent controling circuit, can be with independent operating.
In one of the embodiments, the multichannel optical fiber spectrometer device includes two fiber spectrometers, and two
The output waveband of a fiber spectrometer is different and there are one section of spectra overlapping region, splices spectrum by data processing, makes
The whole multichannel optical fiber spectrometer device realizes broadband output.Two fiber spectrometers pass through one point of multi fiber
It is in parallel so that the incident light of each fiber spectrometer is identical.The wave band of each fiber spectrometer output
Less than 100nm, the spectral resolution of each fiber spectrometer is more than 0.1nm.
The quantity of the fiber spectrometer in the multichannel optical fiber spectrometer device can be according to output waveband scope
Flexibly set with the demand of resolution ratio.
In one of the embodiments, the spectral resolution of higher is pursued during each described fiber spectrometer design, it is defeated
Go out the deficiency of wavelength band, made up by the way that spectrum channel can be increased each described inside fiber spectrometer.
The multichannel optical fiber spectrometer device of the present invention, by the high-resolution institute for designing different narrow wavelength band
Fiber spectrometer is stated, and the mode to be combined, obtain the high-resolution spectral information of broadband.The optical fiber light
The light path design of spectrometer eliminates centre wavelength coma, and introduces cylindrical mirror 14 and eliminate astigmatism, ensure that Performance of Optical System.To institute
The light path for stating fiber spectrometer carries out spuious optical analog, and targetedly sets diaphragm, eliminates veiling glare, ensures instrument noise
Than.The multichannel optical fiber spectrometer device of the present invention has compact-sized, low stray light, high spectral resolution, wide service band
And the characteristics of high s/n ratio.
The embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding changes and deformation made by the technical concept of the present invention, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
- A kind of 1. fiber spectrometer, it is characterised in that including：Fibre-optical splice, entrance slit, collimating mirror, grating, focus lamp, column Face mirror, optical filter and linear array detector；Enter the light of the entrance slit by the fibre-optical splice first, directional light is reflected into through the collimating mirror, it is then parallel Light is incided on the grating, and the grating produces diffraction light, diffraction light is converged by the focus lamp again afterwards, then Second order spectrum is filtered out to eliminate astigmatism and the optical filter via the cylindrical mirror, is finally imaged onto the linear array detector On.
- 2. fiber spectrometer as claimed in claim 1, it is characterised in that：The fiber spectrometer uses Cheney-Tener Czerny-Turner light channel structures, the fiber spectrometer are equipped with host cavity, and the collimating mirror is concave mirror, described poly- Burnt mirror is concave mirror, and the entrance slit is located on the front inner wall of the host cavity, and the grating is located at the incidence Above slit.
- 3. fiber spectrometer as claimed in claim 2, it is characterised in that：The collimating mirror be located at the host cavity it is rear under Side, the focus lamp are located at the top of the collimating mirror.
- 4. fiber spectrometer as claimed in claim 3, it is characterised in that：The cylindrical mirror is located at the front upper place of the grating, The optical filter is located at before the cylindrical mirror, and the linear array detector is located in front of the optical filter.
- 5. fiber spectrometer as claimed in claim 4, it is characterised in that：Further include the first diaphragm, the second diaphragm and the 3rd light Door screen, first diaphragm are arranged in front of the grating and are connected with the grating, and second diaphragm is arranged on above the collimating mirror It is connected with the collimating mirror, the 3rd diaphragm is arranged on the upper inside walls of the host cavity, and the 3rd diaphragm is arranged on described Between linear array detector and the focus lamp.
- 6. fiber spectrometer as claimed in claim 4, it is characterised in that：Further include and lead glue groove, grating adjustment component, imaging lens Component and detector adjustment component are adjusted, the collimating mirror is led in glue groove arranged on described, the grating adjustment component and the light Grid connect, and the imaging lens adjustment component is connected with the focus lamp, the detector adjustment component and the linear array detector Connection.
- 7. a kind of multichannel optical fiber spectrometer device, including the fiber spectrometer described in claim 1 to 6 any one, it is special Sign is, including：At least two fiber spectrometers, the output waveband of two fiber spectrometers is different and there are one section Spectra overlapping region, splices spectrum by data processing, realizes the whole multichannel optical fiber spectrometer device broadband Output.
- 8. multichannel optical fiber spectrometer device as claimed in claim 7, it is characterised in that：Two fiber spectrometers pass through One point of multi fiber parallel connection so that the incident light of each fiber spectrometer is identical.
- 9. multichannel optical fiber spectrometer device as claimed in claim 7, it is characterised in that：Each described fiber spectrometer is defeated The wave band gone out is less than 100nm, and the spectral resolution of each fiber spectrometer is more than 0.1nm.
- 10. multichannel optical fiber spectrometer device as claimed in claim 7, it is characterised in that：The multichannel optical fiber spectrometer Device is equipped with total control circuit, for regulating and controlling the working status of any one of fiber spectrometer, each described optical fiber light Spectrometer is designed with independent controling circuit, for independent operating.
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| CN201711127699.8A CN107976254A (en) | 2017-11-15 | 2017-11-15 | A kind of fiber spectrometer and multichannel optical fiber spectrometer device |
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| CN201711127699.8A CN107976254A (en) | 2017-11-15 | 2017-11-15 | A kind of fiber spectrometer and multichannel optical fiber spectrometer device |
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| CN108955881A (en) * | 2018-06-28 | 2018-12-07 | 佛山市方垣机仪设备有限公司 | A kind of novel spectrometer |
| CN109001134A (en) * | 2018-09-14 | 2018-12-14 | 南京林业大学 | Contactless multi-path fruit Inner Defect Testing system and method |
| CN109238966A (en) * | 2018-10-11 | 2019-01-18 | 浙江大学昆山创新中心 | A kind of optical fiber solutions enter the photochromic detector of online spectrum of light |
| CN110031101A (en) * | 2019-05-07 | 2019-07-19 | 成都以太航空保障工程技术有限责任公司 | A kind of multichannel cascade connection UV fiber spectrometer |
| CN110411674A (en) * | 2019-07-19 | 2019-11-05 | 中国科学院力学研究所 | A kind of operation of electro-arc heater health and water leakage fault diagnostic system |
| CN111596697A (en) * | 2019-08-12 | 2020-08-28 | 中国科学院国家天文台南京天文光学技术研究所 | Self-adaptive control method for automatic switching process of optical fibers of different scientific targets of spectrometer |
| CN111595440A (en) * | 2019-07-23 | 2020-08-28 | 中国科学院国家天文台南京天文光学技术研究所 | Automatic optical fiber butting and clamping mechanism for target switching of spectrometer and method thereof |
| CN112903101A (en) * | 2021-01-21 | 2021-06-04 | 北京华科精仪科技有限公司 | Optical fiber spectrometer |
| CN113865705A (en) * | 2021-08-25 | 2021-12-31 | 爱博能(广州)科学技术有限公司 | Shared light path dual-channel light path system and spectrometer |
| CN114112033A (en) * | 2021-11-22 | 2022-03-01 | 杭州谱育科技发展有限公司 | Full-waveband spectrometer and working method thereof |
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| CN111595440A (en) * | 2019-07-23 | 2020-08-28 | 中国科学院国家天文台南京天文光学技术研究所 | Automatic optical fiber butting and clamping mechanism for target switching of spectrometer and method thereof |
| CN111595440B (en) * | 2019-07-23 | 2022-10-25 | 中国科学院国家天文台南京天文光学技术研究所 | Automatic optical fiber butting and clamping mechanism for target switching of spectrometer and method thereof |
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| CN113865705B (en) * | 2021-08-25 | 2023-11-14 | 爱博能(广州)科学技术有限公司 | Dual-channel optical path system with shared optical path and spectrometer |
| CN114112033A (en) * | 2021-11-22 | 2022-03-01 | 杭州谱育科技发展有限公司 | Full-waveband spectrometer and working method thereof |
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