CN108181674A - A kind of general strong optical attenuator and its strong light spectral measurement system - Google Patents
A kind of general strong optical attenuator and its strong light spectral measurement system Download PDFInfo
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- CN108181674A CN108181674A CN201611123163.4A CN201611123163A CN108181674A CN 108181674 A CN108181674 A CN 108181674A CN 201611123163 A CN201611123163 A CN 201611123163A CN 108181674 A CN108181674 A CN 108181674A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 137
- 238000005259 measurement Methods 0.000 title claims abstract description 29
- 230000003595 spectral effect Effects 0.000 title claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 abstract description 14
- 238000004458 analytical method Methods 0.000 abstract description 6
- 230000008676 import Effects 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 14
- 230000002238 attenuated effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
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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
- G01J3/28—Investigating the spectrum
- G01J3/2803—Investigating the spectrum using photoelectric array detector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
- G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
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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
- G01J3/28—Investigating the spectrum
- G01J3/2803—Investigating the spectrum using photoelectric array detector
- G01J2003/282—Modified CCD or like
Abstract
The present invention provides a kind of general strong optical attenuator and its strong light spectral measurement systems, the general strong optical attenuator includes closure, the irreflexive optical attenuation cylinder being set in closure, the at least incident optical connector and an at least the output optical fiber connector being fixed on shell are set, incident strong light is imported into strong optical attenuator, irreflexive optical attenuation cylinder is by the strong light of importing by diffusing reflection by optical attenuation, so it can will import measuring instrument after strong optical attenuation, in order to analyze the measurement of strong light, there is saturated phenomenon when can be to avoid with light spectrometer measure spectrum, general strong optical attenuator provided by the invention and its strong light spectral measurement system can be widely used for strong light measurement analysis, it is convenient and practical.
Description
Technical field
The present invention relates to a kind of strong optical attenuator and its strong light spectral measurement system more particularly to a kind of general strong optical attenuations
Device and its strong light spectral measurement system.
Background technology
The strong light of attenuation (such as high power laser light and LED) conventional at present is using two ways, when attenuator, second is that integration
Ball.Attenuator is as shown in Figure 1,101 be incident strong light, and 102 be attenuator, and 103 be the light after attenuation.It is clear that it uses
Attenuator 102 decays strong light because of its blow-by, dangerous to operator.
For integrating sphere as shown in Fig. 2, 101 be incident strong light, 103 be the light after attenuation；201 be the light incidence of integrating sphere
Hole, 202 be the light perforation hole of integrating sphere, and 203 be the shell of integrating sphere, and 204 be for the integrating sphere reflectance coating for strong light of decaying
(being usually made of diffuse-reflective material, such as barium sulfate and Teflon).Although integrating sphere is a seal, there is good strong light
Attenuation characteristic and the safety for being conducive to operator, but its price, volume are big and heavy, are not suitable for needing the application of light attenuator
Occasion.
In order to improve the prior art existing above-mentioned inconvenient and defect in actual use, it is therefore necessary to propose new set
Meter.
Invention content
For it is above-mentioned the defects of, present invention aims at provide general strong light decay a kind of general, cheap and easy to operate
Subtract device.
The present invention provides a kind of general strong optical attenuator, including closure, be set to it is irreflexive in closure
At least incident optical connector and an at least the output optical fiber connector that optical attenuation cylinder, setting are fixed on shell.
The closure includes the head cover, stack shell and the bottom cover that are tightly connected successively；Irreflexive optical attenuation cylinder
Including upper diffusive reflective plate, interior diffusing reflection attenuation wall and the lower diffusive reflective plate to connect successively, interior diffusing reflection attenuation wall setting is fixed on
The inside of stack shell, lower diffusive reflective plate setting are fixed on above housing bottom cover, and upper diffusive reflective plate setting is fixed below Casing top；
The incident optical connector and the setting of the output optical fiber connector are fixed on the head cover of closure.Incident optical connector optical fiber
Strong light is imported into general strong optical attenuator, the output optical fiber connector optical fiber will be attenuated the general strong optical attenuator of light-output, on
Diffusive reflective plate, interior diffusing reflection attenuation wall and lower diffusive reflective plate are decayed strong light by diffusing reflection, diffusive reflective plate upper in this way, interior diffusing reflection
Attenuation wall and lower diffusive reflective plate form irreflexive optical attenuation cylinder, and the strong of general strong optical attenuator is imported by diffusing reflection attenuation
Light.
According to general strong optical attenuator is stated, the head cover fixes incident fibre-optical splice, the output optical fiber connector and upper diffusing reflection
Piece；Diffusing reflection attenuation wall in the stack shell fixation, the lower diffusive reflective plate of the bottom cover sealing and interior diffusing reflection attenuation wall.
According to the general strong optical attenuator, incident optical connector and the output optical fiber connector penetrate head cover and upper diffusing reflection
Piece, and be fixed on head cover.Described is fixed with various ways, such as glue sticking, screw are fixed, flange or nut check.
According to the general strong optical attenuator, bottom cover by such as glue sticking or screw fix etc. modes by lower diffusive reflective plate and
Interior diffusing reflection attenuation wall sealing, the mode of sealing can be other various ways.
According to the general strong optical attenuator, the closure includes the head cover, stack shell and the bottom cover that are tightly connected successively；
Irreflexive optical attenuation cylinder includes the interior diffusing reflection attenuation wall and lower diffusive reflective plate at the top of the band to connect, with the interior of top
The inside of stack shell is fixed in the wall body setting of diffusing reflection attenuation wall, and the top of the interior diffusing reflection attenuation wall with top is located at housing top
Lid lower section, lower diffusive reflective plate setting are fixed on above housing bottom cover；The incident optical connector and the setting of the output optical fiber connector are solid
Due on the head cover of closure.Strong light is imported general strong optical attenuator by incident optical connector optical fiber；The output optical fiber connects
Head will be attenuated the strong optical attenuator of light-output using optical fiber, and lower diffusive reflective plate and the interior diffusing reflection attenuation wall with top form unrestrained
The optical attenuation cylinder of reflection imports the strong light of strong optical attenuator by diffusing reflection attenuation.
According to the general strong optical attenuator, the head cover fixes incident fibre-optical splice and the output optical fiber connector, the cylinder
Interior diffusing reflection attenuation wall at the top of body holder, fixed form can there are many, such as fixed with glue sticking or screw, flange or spiral shell
Mother's locking etc., the lower diffusive reflective plate of bottom cover sealing and the interior diffusing reflection attenuation wall with top, sealing means can there are many, such as
It is fixed with glue sticking or screw.The incident optical connector and the output optical fiber connector penetrate head cover, and be fixed on head cover, Gu
Determine mode can there are many, such as fixed with glue sticking, screw, flange or nut check.
According to the general strong optical attenuator, the attenuator for being set to incident optical joint is further included, further to decline
Subtract incident intensity.The attenuator is absorption-type attenuator.
According to the general strong optical attenuator, the attenuator for being set to the output optical fiber joint is further included, further to decline
Subtract exiting light beam intensity.The attenuator is absorption-type attenuator.
According to the general strong optical attenuator, the interior diffusing reflection attenuation wall and diffusive reflective plate are made or are used with 3D printing
Diffuse-reflective material die casting or other processing methods make.
Incident strong light is imported strong optical attenuator, such as pass through incident light by general strong optical attenuator provided by the invention
Fine connector imports, irreflexive optical attenuation cylinder by the strong light of importing by diffusing reflection by optical attenuation, so can be by strong light decay
Measuring instrument is imported after subtracting, saturation occur in order to analyze the measurement of strong light, when can be to avoid with light spectrometer measure spectrum shows
As general strong optical attenuator provided by the invention can be widely used for strong light measurement analysis, convenient and practical.
The present invention also provides a kind of strong light spectroscopic analysis system, including incident optical, the general strong light decay to connect successively
Subtract device, the output optical fiber and spectrometer, the general strong optical attenuator includes closure, the diffusing reflection being set in closure
Optical attenuation cylinder, setting be fixed on an at least incident optical connector and an at least the output optical fiber connector on closure, institute
It states incident optical with incident optical connector to connect, the output optical fiber connects with the output optical fiber connector.
According to the strong light spectral measurement system, the closure includes the head cover, stack shell and the bottom that are tightly connected successively
Lid；Irreflexive optical attenuation cylinder includes the upper diffusive reflective plate, interior diffusing reflection attenuation wall and the lower diffusive reflective plate that connect successively,
The inside of stack shell is fixed in interior diffusing reflection attenuation wall setting, and lower diffusive reflective plate setting is fixed on above housing bottom cover, upper diffusing reflection
Piece setting is fixed below Casing top；The top of closure is fixed in the incident optical connector and the setting of the output optical fiber connector
It covers.
According to the strong light spectral measurement system, the head cover fixes incident fibre-optical splice, the output optical fiber connector and upper unrestrained
Reflector plate, the stack shell fix in diffusing reflection attenuation wall, fixed form can there are many, such as fixed with glue sticking screw, flange
Or nut check etc.；The lower diffusive reflective plate of bottom cover sealing and interior diffusing reflection attenuation wall, sealing means can there are many, such as use glue
Bonding or screw fixation etc..The incident optical connector and the output optical fiber connector penetrate head cover and upper diffusive reflective plate, and be fixed on
On head cover, fixed form can there are many, such as fixed with glue sticking, screw, flange or nut check.
According to the strong light spectral measurement system, the closure includes the head cover, stack shell and the bottom that are tightly connected successively
Lid；Irreflexive optical attenuation cylinder includes the interior diffusing reflection attenuation wall and lower diffusive reflective plate at the top of the band to connect, band top
The wall body setting of interior diffusing reflection attenuation wall be fixed on the inside of stack shell, the top of the interior diffusing reflection attenuation wall with top is located at shell
Below body head cover, lower diffusive reflective plate setting is fixed on above housing bottom cover；The incident optical connector and the output optical fiber connector are set
It puts on the head cover for being fixed on closure.
According to the strong light spectral measurement system, the head cover fixes incident fibre-optical splice and the output optical fiber connector, described
Cylinder body holder at the top of interior diffusing reflection attenuation wall, fixed form can there are many, such as fixed with glue sticking or screw, flange or
Nut check etc., the lower diffusive reflective plate of bottom cover sealing and the interior diffusing reflection attenuation wall with top, sealing means can there are many,
Such as fixed with glue sticking or screw.The incident optical connector and the output optical fiber connector penetrate head cover, and be fixed on head cover,
Fixed form can there are many, such as fixed with glue sticking, screw, flange or nut check.
According to the strong light spectral measurement system, the incident optical joint sets attenuator, and the output optical fiber connects
Attenuator is set at head.The attenuator is absorption-type attenuator.
According to the strong light spectral measurement system, the spectrometer is CCD (Charge-coupled Device, charge coupling
Closing light detector) spectrometer.
Strong light spectral measurement system provided by the invention, after by strong optical attenuator, strong light is decayed, then will decline
Dim light imports spectrometer, saturated phenomenon can occurs to avoid when measuring strong light spectrum with light spectrometer, convenient for the measurement to the strong light
Analysis can be widely used for strong light spectral measurement analysis, convenient and practical.
Description of the drawings
Fig. 1 is existing attenuator schematic diagram；
Fig. 2 is existing integrating sphere schematic diagram；
Fig. 3 is the schematic internal view of general strong one embodiment of optical attenuator of the present invention；
Fig. 4 is the schematic internal view of the general strong another embodiment of optical attenuator of the present invention；
Fig. 5 is the schematic diagram that strong one embodiment of light spectral measurement system of the invention carries out spectrum test；
Fig. 6 is the 200mW that do not decay (milliwatt) 532nm (nanometer) laser spectrum that spectrometer measures；
Fig. 7 is 200mW532nm laser after the attenuation that the spectrometer of the strong light spectral measurement system of the embodiment of the present invention measures
Homogenize attenuation spectrum.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is the embodiment of the general strong optical attenuator of the present invention shown in Fig. 3,101 be incident strong light, and 1031 be after decaying
Light；300 be strong optical attenuator, and 301 be incident optical connector, and 302 be the output optical fiber connector, and 303 be head cover, and 304 be upper unrestrained anti-
Piece is penetrated, 305 be stack shell, and 306 be interior diffusing reflection attenuation wall, and 307 be lower diffusive reflective plate, and 308 be bottom cover.
Strong optical attenuator 300 includes closure and the irreflexive optical attenuation cylinder being set in closure, the envelope
It closes shell and includes the head cover 303, stack shell 305 and the bottom cover 308 that are tightly connected successively；Irreflexive optical attenuation cylinder include according to
The secondary upper diffusive reflective plate 304 to connect, interior diffusing reflection attenuation wall 306 and lower diffusive reflective plate 307.Interior diffusing reflection attenuation wall 306 is set
The inside of stack shell 305 is fixed on, 308 top of housing bottom cover is fixed in the lower setting of diffusive reflective plate 307, and upper diffusive reflective plate 304 is set
It is fixed on 303 lower section of Casing top.Bottom cover 308 seals interior diffusing reflection attenuation wall 306.
The strong optical attenuator 300 of the embodiment, which further includes, to be set the incident optical connector 301 being fixed on head cover 303 and goes out
Fibre-optical splice 302 is penetrated, strong light 101 is imported strong optical attenuator 300, the output optical fiber connector by incident optical connector 301 using optical fiber
302 will be attenuated the strong optical attenuator 300 of light-output using optical fiber.Upper diffusive reflective plate 304 is decayed strong light by diffusing reflection, interior unrestrained anti-
It penetrates attenuation wall 306 by diffusing reflection to decay strong light, lower diffusive reflective plate 307 is decayed strong light by diffusing reflection, diffusive reflective plate upper in this way
304th, irreflexive optical attenuation cylinder that interior diffusing reflection attenuation wall 306 and lower diffusive reflective plate 307 are formed is led by diffusing reflection attenuation
Enter the strong light of strong optical attenuator 300.
The head cover 303 fixes incident fibre-optical splice 301, the output optical fiber connector 302 and upper diffusive reflective plate 304, the cylinder
Body 305 fix in diffusing reflection attenuation wall 306, fixed mode can be glue sticking, screw mounting flange or nut check etc.,
Can be other various ways；The lower diffusive reflective plate 307 of the sealing of bottom cover 308 and interior diffusing reflection attenuation wall 306, sealing means
Can there are many, such as fixed with glue sticking or screw.Incident optical connector 301 and the output optical fiber connector in the present embodiment
302 penetrate head cover 303 and upper diffusive reflective plate 304, and are fixed on head cover 303.
The strong optical attenuator 300 of the present embodiment can also further set attenuator at incident optical connector 301,
Such as absorption-type attenuator, with incident strong light of further decaying so that strong light just obtains certain before strong optical attenuator 300 is imported
The attenuation of degree.
The strong optical attenuator 300 of the present embodiment can also further set attenuation, such as at the output optical fiber connector 302
Absorption-type attenuator, with exiting light beam intensity of further decaying.
Wherein interior diffusing reflection attenuation wall 306, upper diffusive reflective plate 304 and lower diffusive reflective plate 307 with 3D printing make or with overflow
Reflecting material die casting or other processing methods make.
It is another embodiment of the general strong optical attenuator of the present invention shown in Fig. 4,101 be incident strong light, and 1031 be attenuation
Light afterwards；300 be strong optical attenuator, and 301 be incident optical connector, and 302 be the output optical fiber connector, and 303 be head cover, and 304 be cylinder
Body, 306 be lower diffusive reflective plate, and 307 be bottom cover, and 401 be the interior diffusing reflection attenuation wall with top.
Strong optical attenuator 300 includes closure and the irreflexive optical attenuation cylinder being set in closure, the envelope
It closes shell and includes the head cover 303, stack shell 305 and the bottom cover 308 that are tightly connected successively；Irreflexive optical attenuation cylinder includes band
The interior diffusing reflection attenuation wall 401 at top and the lower diffusive reflective plate 306 to connect with the interior diffusing reflection attenuation wall 401 with top.Stack shell
305 fix the interior diffusing reflection attenuation wall 401 with top, and 308 top of housing bottom cover is fixed in the lower setting of diffusive reflective plate 307.Bottom cover
308 for the interior diffusing reflection attenuation wall 401 at the top of band.
The strong optical attenuator 300 of the embodiment, which further includes, to be set the incident optical connector 301 being fixed on head cover 303 and goes out
Fibre-optical splice 302 is penetrated, strong light is imported general strong optical attenuator 300 by incident optical connector 301 using optical fiber；The output optical fiber connector
302 will be attenuated the strong optical attenuator 300 of light-output using optical fiber.Lower diffusive reflective plate 306 and the interior diffusing reflection attenuation wall with top
401 form irreflexive optical attenuation cylinder, and the strong light of strong optical attenuator 300 is imported by diffusing reflection attenuation.
Head cover 303 fixes incident fibre-optical splice 301 and the output optical fiber connector 302, and the stack shell 305 is fixed with the interior of top
Diffusing reflection attenuation wall 401, fixed mode can be glue sticking, screw mounting flange or nut check etc. or other
Fixed form.Diffusive reflective plate 307 and the interior diffusing reflection attenuation wall 401 with top, sealing means can under the sealing of bottom cover 308
There are many, such as fixed with glue sticking or screw.Incident optical connector 301 and the output optical fiber connector 302 in this embodiment
Head cover 303 is penetrated, and is fixed on head cover 303.
The strong optical attenuator 300 of the present embodiment can also further set attenuator at incident optical connector 301,
Such as absorption-type attenuator, with incident strong light of further decaying so that strong light just obtains certain before strong optical attenuator 300 is imported
The attenuation of degree.
The strong optical attenuator 300 of the present embodiment can also further set attenuation, such as at the output optical fiber connector 302
Absorption-type attenuator, with exiting light beam intensity of further decaying.
Interior diffusing reflection attenuation wall 401 and lower diffusive reflective plate 307 wherein with top make of 3D printing or with diffusing reflection materials
Expect that die casting or other processing methods make.
Fig. 5 is that the strong light spectral measurement system of embodiment measures the schematic diagram of strong light spectrum using strong optical attenuator 300,
300 be strong optical attenuator, and 301 be incident optical connector；302 be the output optical fiber connector；501 be light intensity light source (such as light laser or
Strong LED light source etc.), 402 be incident optical, and 403 be the output optical fiber, and 404 be spectrometer.
The strong light spectral measurement system of the present embodiment includes the incident optical 402 to connect successively, strong optical attenuator 300, goes out
Optical fiber 403 and spectrometer 404 are penetrated, incident optical 402 connects incident optical connector 301, and the output optical fiber 402 connects the output optical fiber and connects
First 302.
Light intensity light source 501 is connect with incident optical 402, and light intensity light source 501 emits strong light to be measured；Incident optical 402 passes through
Incident optical connector 301 connects, and the strong light that light intensity light source 401 emits is imported attenuator 300；The output optical fiber 403 passes through outgoing
The light decayed by strong optical attenuator 300 is imported spectrometer 404 by fibre-optical splice 302, to measure the spectrum of the strong light.
Fig. 6 is that the strong optical attenuator 300 of the unused present invention that the spectrometer for being CCD with detector measures is decayed
532nm laser spectrums.The power of the 532nm laser is 200mW, directly by 532nm laser irradiation spectrometers during test, to avoid
Test value is the saturation value of CCD spectrometers, and 532nm lasers are placed on CCD spectrometers at a distance of 1.4 meters or so of position.
Fig. 7 is to use same spectrometer, after the same homogenized attenuation of 532nm laser measured using strong optical attenuator 300
Spectrum, compare Fig. 6 and Fig. 7 as it can be seen that as shown in table 1 below, strong optical attenuator 300 is by about 19.2 times of 532nm laser attenuations.
Table 1
| 200mW 532nm laser is not decayed spectrum relative intensity | 60849.0 |
| 200mW 532nm laser homogenizings attenuation spectrum relative intensity | 3161.0 |
| Attenuation multiple | 19.2 |
Wherein, abscissa is tested optical wavelength in Fig. 6, spectrum shown in Fig. 7, and unit is nanometer；Ordinate is tested light
Relative intensity, unit be detector C CD gray value.
In conclusion the present invention can be by strong light effective attenuation, convenient for the measurement to the strong light by general strong optical attenuator
Analysis；Particularly saturated phenomenon can occur to avoid when measuring strong light spectrum with light spectrometer.It is designed by the invention general strong
Optical attenuator can be widely used for strong light spectral measurement analysis, convenient and practical.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and deformation, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of general strong optical attenuator, which is characterized in that including closure, the irreflexive light being set in closure
At least incident optical connector and an at least the output optical fiber connector that attenuation cylinder, setting are fixed on shell.
2. general strong optical attenuator according to claim 1, which is characterized in that the closure includes being tightly connected successively
Head cover, stack shell and bottom cover；Irreflexive optical attenuation cylinder includes the upper diffusive reflective plate to connect successively, interior diffusing reflection attenuation
The inside of stack shell is fixed in wall and lower diffusive reflective plate, interior diffusing reflection attenuation wall setting, and housing bottom is fixed in lower diffusive reflective plate setting
The side of covering, upper diffusive reflective plate setting are fixed below Casing top；The incident optical connector and the setting of the output optical fiber connector are solid
Due on the head cover of closure.
3. general strong optical attenuator according to claim 1, which is characterized in that the closure includes being tightly connected successively
Head cover, stack shell and bottom cover；Irreflexive optical attenuation cylinder include interior diffusing reflection attenuation wall at the top of the band that connects and under
The inside of stack shell is fixed in diffusive reflective plate, the wall body setting of the interior diffusing reflection attenuation wall with top, and the interior diffusing reflection with top declines
The top for subtracting wall is located at below Casing top, and lower diffusive reflective plate setting is fixed on above housing bottom cover；The incident optical connector
It is fixed on the head cover of closure with the setting of the output optical fiber connector.
4. according to any general strong optical attenuators of claim 1-3, which is characterized in that the incident optical joint is set
Attenuator is put, the output optical fiber joint sets attenuator.
5. general strong optical attenuator according to claim 2, which is characterized in that the head cover is fixed incident fibre-optical splice, gone out
Penetrate fibre-optical splice and upper diffusive reflective plate；The stack shell fix in diffusing reflection attenuation wall, the lower diffusive reflective plate of the bottom cover sealing and interior
Diffusing reflection attenuation wall.
6. general strong optical attenuator according to claim 3, which is characterized in that the head cover is fixed incident fibre-optical splice and gone out
Penetrate fibre-optical splice, the interior diffusing reflection attenuation wall at the top of the cylinder body holder, the lower diffusive reflective plate of the bottom cover sealing and with top
Interior diffusing reflection attenuation wall.
7. a kind of strong light spectral measurement system, which is characterized in that including connect successively incident optical, general strong optical attenuator,
The output optical fiber and spectrometer, the general strong optical attenuator include closure, the irreflexive light being set in closure
At least incident optical connector and an at least the output optical fiber connector that attenuation cylinder, setting are fixed on shell.
8. strong light spectral measurement system according to claim 7, which is characterized in that the closure includes sealing successively
Head cover, stack shell and the bottom cover of connection；Irreflexive optical attenuation cylinder includes the upper diffusive reflective plate to connect successively, interior diffusing reflection
The inside of stack shell is fixed in attenuation wall and lower diffusive reflective plate, interior diffusing reflection attenuation wall setting, and shell is fixed in lower diffusive reflective plate setting
Above body bottom cover, upper diffusive reflective plate setting is fixed below Casing top；The incident optical connector and the output optical fiber connector are set
It puts on the head cover for being fixed on closure.
9. strong light spectral measurement system according to claim 7, which is characterized in that the closure includes sealing successively and connects
Head cover, stack shell and the bottom cover connect；Irreflexive optical attenuation cylinder include interior diffusing reflection attenuation wall at the top of the band that connects and
The inside of stack shell, the interior diffusing reflection with top are fixed in lower diffusive reflective plate, the wall body setting of the interior diffusing reflection attenuation wall with top
The top of attenuation wall is located at below Casing top, and lower diffusive reflective plate setting is fixed on above housing bottom cover；The incident optical connects
Head and the setting of the output optical fiber connector are fixed on the head cover of closure.
10. according to any strong light spectral measurement systems of claim 7-9, which is characterized in that the incident optical joint
Attenuator is set, and the output optical fiber joint sets attenuator.
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| CN201611123163.4A CN108181674A (en) | 2016-12-08 | 2016-12-08 | A kind of general strong optical attenuator and its strong light spectral measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686429A (en) * | 2020-05-19 | 2021-11-23 | 北京科益虹源光电技术有限公司 | Deep ultraviolet laser multi-parameter integrated comprehensive measurement system |
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| CN113686429A (en) * | 2020-05-19 | 2021-11-23 | 北京科益虹源光电技术有限公司 | Deep ultraviolet laser multi-parameter integrated comprehensive measurement system |
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