CN106198389A - A kind of multiple reflections assembly - Google Patents
A kind of multiple reflections assembly Download PDFInfo
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- CN106198389A CN106198389A CN201610579043.9A CN201610579043A CN106198389A CN 106198389 A CN106198389 A CN 106198389A CN 201610579043 A CN201610579043 A CN 201610579043A CN 106198389 A CN106198389 A CN 106198389A
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- 230000003287 optical effect Effects 0.000 abstract description 2
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- 238000002835 absorbance Methods 0.000 description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention belongs to technical field of optical detection, it is specifically related to a kind of multiple reflections assembly, including a primary mirror and two secondary mirrors, one corner cube mirror is respectively set in the both sides of primary mirror, when reflection light beam deflects away from primary mirror through multiple reflections between major-minor mirror, the characteristic utilizing corner cube mirror will return by former direction after beam deviation, make the pip of primary mirror side produce skew, forming one group of new reflection path, each corner cube mirror makes light path double；Infrared beam shuttling back and forth between major-minor mirror is greatly increased light path, it is possible to meet the detection demand of ultramicron gas.
Description
Technical field
The invention belongs to technical field of optical detection, be specifically related to a kind of multiple reflections assembly.
Background technology
In prior art, frequently with spectrogrph, gas being carried out Concentration Testing, its principle is: when infrared beam is through tested
During gas, gas can absorb infrared signal.Known by Lambert-Beer law, gas molecule absorbance be proportional to absorb light path,
Gas Molecular Density and gas molecular absorption coefficient.And gas with various molecule has different gas molecules sorb features.Therefore,
Quantitative inversion absorption Gas Molecular Density can be carried out by the absorbance spectrum after GAS ABSORPTION is carried out spectrum analysis.So
And, when gas concentration is too low, its gas molecule absorbance is more weak, and absorption spectrum performance is inconspicuous, now can be by increasing
Gas molecules sorb light path, to increase the absorbance of gas to be measured.The method increasing light beam travels in prior art is coquille
Bounce technique, as it is shown in figure 1, the method is by between infrared waves primary mirror 1 ' and secondary mirror 3a ', 3b ' in two groups of i.e. figures of coquille
Multiple reflections back and forth, to increase light beam travels.But, as in figure 2 it is shown, box indicating reflected spot in figure, the numeral in square frame
Represent reflection order, owing to odd-times reflection all occurs on secondary mirror 3a ', 3b ', so only having marked even number on primary mirror 1 '
The hot spot of secondary reflection.As seen from the figure, the method is limited to the size of coquille, and its order of reflection is limited, is measuring ultramicron gas
During body, still it is unable to reach effective light path.
Summary of the invention
It is an object of the invention to provide a kind of multiple reflections assembly that can increase and absorb light path.
For achieving the above object, the invention provides techniques below scheme: a kind of multiple reflections assembly, including primary mirror and pair
Mirror, described primary mirror is made up of one piece of coquille, and described secondary mirror is made up of two pieces of coquillees that is first coquille and the second coquille,
The minute surface of described primary mirror and secondary mirror is oppositely arranged；Incident illumination is injected from primary mirror side, and beats on the first coquille of secondary mirror, warp
First coquille reflection post-concentration on primary mirror, the most successively according to the second coquille, primary mirror, the first coquille, primary mirror, second
Coquille sequentially pass through repeatedly Circulated reflection, until the reflection light of secondary mirror deflects away from the mirror sections of primary mirror, the meeting of secondary mirror reflection
Convergent pencil of rays can form multiple hot spot on primary mirror；The adjacent edges of described primary mirror is additionally provided with corner cube mirror, and described right angle reflects
Mirror is arranged on and deflects away from the position that the hot spot of primary mirror mirror sections is corresponding, utilize corner cube mirror, can be by beam deviation tailing edge
The characteristic that former direction returns, makes this hot spot position on primary mirror produce skew, and makes light beam return along former direction, so that instead
Penetrate number of times to double.
The minute surface of described primary mirror is generally T-shaped, and the area of absence of T-shaped minute surface both sides respectively constitutes light inlet and light-emitting window,
Incident beam is beaten on the first coquille of secondary mirror, by the second coquille after multiple reflections from primary mirror behind after light inlet
Reflex to light-emitting window；The area of absence of described primary mirror minute surface both sides is respectively provided with a corner cube mirror, in light beam reflection process
Reflect respectively once on two corner cube mirrors.
Described primary mirror is movably arranged on primary mirror installing plate, makes the angle of pitch of primary mirror and lateral deflection angle adjustable.
Described primary mirror installing plate is provided with primary mirror side float plate, and described primary mirror side float plate is provided with and primary mirror side float plate
The guider screw that plate face is vertical, described guider screw is through the pilot hole of setting on primary mirror installing plate, and the diameter of this pilot hole is slightly
More than the diameter of guider screw, the top of described guider screw is provided with nut, is provided with pressure between described nut and primary mirror installing plate
Spring, the elastic force of stage clip makes primary mirror side float plate elastic abutment on the plate face of primary mirror installing plate；Also set on described primary mirror installing plate
Having jackscrew, described jackscrew constitutes threaded engagement with the screwed hole of setting on primary mirror installing plate, and jackscrew top is resisted against primary mirror side
For regulating the angle of primary mirror side float plate in float plate；Described jackscrew is provided with two groups, and two groups of jackscrews are separately positioned on primary mirror peace
The top of dress plate and sidepiece, be respectively used to regulate the angle of pitch and the lateral deflection angle of primary mirror side float plate；Described primary mirror is arranged on
In the float plate of primary mirror side.
Described secondary mirror is movably arranged on secondary mirror installing plate, makes the angle of pitch of two coquillees of secondary mirror and the lateral deflection angle can
Adjust.
Described secondary mirror installing plate is provided with two pieces of secondary mirror side float plate, and described secondary mirror side float plate is provided with floats with secondary mirror side
The guider screw that dynamic plate plate face is vertical, described guider screw through the pilot hole arranged on secondary mirror installing plate, this pilot hole straight
Footpath is slightly larger than the diameter of guider screw, and the top of described guider screw is provided with nut, sets between described nut and secondary mirror installing plate
Having stage clip, the elastic force of stage clip makes secondary mirror side float plate elastic abutment on the plate face of secondary mirror installing plate；On described secondary mirror installing plate
Being additionally provided with jackscrew, described jackscrew constitutes threaded engagement with the screwed hole of setting on secondary mirror installing plate, and jackscrew top is resisted against pair
In the float plate of mirror side, for regulating the angle of secondary mirror side float plate；On secondary mirror installing plate, corresponding every piece of secondary mirror side float plate sets
Having two groups of jackscrews, top and the sidepiece of two groups of jackscrew the most corresponding secondary mirror side float plate are arranged, and are used for regulating secondary mirror side float plate
The angle of pitch and lateral deflection angle；Two pieces of coquillees of described secondary mirror are separately mounted in two pieces of secondary mirror side float plate.
Described primary mirror installing plate is connected by two crossbeams with the two ends up and down of secondary mirror installing plate；The coquille of described primary mirror and
The coquille radius of secondary mirror is identical, and the distance between primary mirror and secondary mirror is equal to the radius of coquille.
All being coated with the reflectance coating for improving reflectance on the reflecting surface of described primary mirror and secondary mirror, described reflectance coating is plating
Gold, aluminize or silver-plated.
The method have technical effect that: the present invention arranges corner cube mirror at the adjacent edges of primary mirror, inclined at reflection light
When going out primary mirror, utilize corner cube mirror to make the pip of primary mirror side produce skew, form one group of new reflection path, so that instead
Penetrate stroke to double；The stroke that shuttles back and forth making infrared waves is greatly increased, and meets the detection demand of ultramicron gas.
Accompanying drawing explanation
Fig. 1 is multiple reflections assembly principle figure of the prior art；
Fig. 2 is the primary mirror hot spot scattergram of multiple reflections assembly in prior art；
Fig. 3 is the schematic diagram of the present invention；
Fig. 4 is the primary mirror flare scattergram of the present invention, box indicating reflected spot in figure, the numeral expression in square frame
Reflection order, also due to odd-times reflection all occurs on secondary mirror, so only having marked even-times reflection on primary mirror
Hot spot；
Fig. 5 is the perspective view of the present invention；
Fig. 6 is the primary mirror sectional view of the present invention；
Fig. 7 is the secondary mirror sectional view of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Such as Fig. 3, shown in 5, a kind of multiple reflections assembly, including primary mirror 1 and secondary mirror 3, described primary mirror 1 is by one piece of coquille structure
Becoming, described secondary mirror 3 is made up of two pieces of coquillees that is first coquille 3a and the second coquille 3b, described primary mirror 1 and the mirror of secondary mirror 3
Face is oppositely arranged；Incident illumination is injected from primary mirror 1 side, and beats on the first coquille 3a of secondary mirror 3, anti-through the first coquille 3a
Penetrate post-concentration on primary mirror 1, the most successively according to the second coquille 3b, primary mirror the 1, first coquille 3a, primary mirror the 1, second sphere
Mirror 3b sequentially passes through repeatedly Circulated reflection, until the reflection light of secondary mirror 3 deflects away from the mirror sections of primary mirror 1, the meeting of secondary mirror 3 reflection
Convergent pencil of rays can form multiple hot spot on primary mirror 1；The adjacent edges of described primary mirror 1 is additionally provided with corner cube mirror 5, and described right angle is anti-
Penetrate mirror 5 to be arranged on and deflect away from the position that the hot spot of primary mirror 1 mirror sections is corresponding, utilize the corner cube mirror 5 can be by beam deviation
The characteristic that the former direction of tailing edge returns, makes this hot spot position on primary mirror 1 produce skew, and makes light beam return along former direction, from
And make order of reflection double.Input path is Path of Convergent Rays, and convergent point is in primary mirror 1 incidence window position, phase after light beam incidence
When a point source in primary mirror 1 incidence window position diffuses on secondary mirror 3, converge to again on primary mirror 1 after secondary mirror 3 reflects,
Last outgoing beam is also the window's position at primary mirror 1 opposite side.In a word, it is all divergent beams from primary mirror 1 to secondary mirror 3 direction,
Being all convergent beam from secondary mirror 3 to primary mirror 1 direction, the hot spot on primary mirror 1 is all convergent point.The present invention utilizes corner cube mirror 5
The pip making primary mirror 1 side produces skew, forms one group of new reflection path, so that reflection stroke doubles；Make infrared beam
The stroke that shuttles back and forth be greatly increased, meet the detection demand of ultramicron gas.
Preferably, as shown in Figure 4,5, the minute surface of described primary mirror 1 is generally T-shaped, and the area of absence of T-shaped minute surface both sides is respectively
Constituting light inlet and light-emitting window, incident beam is beaten on the first coquille 3a of secondary mirror 3 from primary mirror 1 behind after light inlet,
Light-emitting window is reflexed to by the second coquille 3b after multiple reflections；The area of absence of described primary mirror 1 minute surface both sides is respectively provided with one
Corner cube mirror 5, reflects once in light beam reflection process on two corner cube mirrors 5 respectively.Often increase a right angle reflection
Mirror 5, light path doubles, and the present embodiment is provided with two corner cube mirrors 5, and therefore light path adds twice.Time actually used,
Secondary mirror 3 angle can also be regulated according to light path needs, make light beam only through one of them corner cube mirror 5, in this case light
Journey the most only doubles.
Further, the activity of described primary mirror 1 is arranged on primary mirror installing plate 7, makes the angle of pitch of primary mirror 1 and the lateral deflection angle can
Adjust.
The present embodiment preferably employs following assembling mode:
As shown in Figure 6, described primary mirror installing plate 7 is provided with primary mirror side float plate 9, and described primary mirror side float plate 9 is provided with
The guider screw 15 vertical with float plate 9 plate face, primary mirror side, described guider screw 15 is through the guiding of setting on primary mirror installing plate 7
Hole, the diameter of this pilot hole is slightly larger than the diameter of guider screw 15, and the top of described guider screw 15 is provided with nut 17, described spiral shell
Being provided with stage clip 19 between female 17 and primary mirror installing plate 7, the elastic force of stage clip 19 makes primary mirror side float plate 9 elastic abutment install at primary mirror
On the plate face of plate 7；Jackscrew 21, described jackscrew 21 and the screw thread of setting on primary mirror installing plate 7 it is additionally provided with on described primary mirror installing plate 7
Hole constitutes threaded engagement, and jackscrew 21 top is resisted against in primary mirror side float plate 9 for regulating the angle of primary mirror side float plate 9；
Described jackscrew 21 is provided with two groups, and two groups of jackscrews 21 are separately positioned on top and the sidepiece of primary mirror installing plate 7, is respectively used to regulation main
The angle of pitch of mirror side float plate 9 and lateral deflection angle；Described primary mirror 1 is arranged in primary mirror side float plate 9.
Further, described secondary mirror 3 is movably arranged on secondary mirror installing plate 11, makes the angle of pitch of two coquillees of secondary mirror 3
Adjustable with lateral deflection angle.
As it is shown in fig. 7, the present embodiment preferably employs following assembling mode: described secondary mirror installing plate 11 is provided with two pieces of secondary mirrors
Side float plate 13, described secondary mirror side float plate 13 is provided with the guider screw 15 vertical with float plate 13 plate face, secondary mirror side, described
Guider screw 15 is through the pilot hole of setting on secondary mirror installing plate 11, and the diameter of this pilot hole is straight slightly larger than guider screw 15
Footpath, the top of described guider screw 15 is provided with nut 17, is provided with stage clip 19, stage clip between described nut 17 and secondary mirror installing plate 11
The elastic force of 19 makes secondary mirror side float plate 13 elastic abutment on the plate face of secondary mirror installing plate 11；Also set on described secondary mirror installing plate 11
Having a jackscrew 21, the screwed hole that described jackscrew 21 and secondary mirror installing plate 11 are arranged constitutes threaded engagement, and jackscrew 21 top against
In secondary mirror side float plate 13, for regulating the angle of secondary mirror side float plate 13；Corresponding every piece of secondary mirror side on secondary mirror installing plate 11
Float plate 13 is respectively provided with two groups of jackscrews 21, and top and the sidepiece of two groups of jackscrew 21 the most corresponding secondary mirror side float plate 13 are arranged, and use
The angle of pitch and lateral deflection angle in regulation secondary mirror side float plate 13；Two pieces of coquillees of described secondary mirror 3 are separately mounted to two pieces
In secondary mirror side float plate 13.
Further, described primary mirror installing plate 7 is connected by two crossbeams 23 with the two ends up and down of secondary mirror installing plate 11；Described
The coquille of primary mirror 1 is identical with the coquille radius of secondary mirror 3, and the distance between primary mirror 1 and secondary mirror 3 is equal to the half of coquille
Footpath.
All being coated with the reflectance coating for improving reflectance on the reflecting surface of described primary mirror 1 and secondary mirror 3, described reflectance coating is plating
Gold, aluminize or silver-plated, the preferred Gold plated Layer of the present embodiment is as reflecting layer.
When need not the light path so grown, light beam can be made anti-without right angle by adjusting the angle of two pieces of secondary mirrors 3
Penetrate mirror 5, only between primary mirror 1 and secondary mirror 3, after multiple reflections, directly penetrate window, the most anti-through right angle when the bigger light path of needs
Penetrate mirror 5.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (8)
1. a multiple reflections assembly, it is characterised in that: including primary mirror (1) and secondary mirror (3), described primary mirror (1) is by one piece of sphere
Mirror is constituted, and described secondary mirror (3) is made up of two pieces of coquillees that is first coquille (3a) and the second coquille (3b), described primary mirror
(1) it is oppositely arranged with the minute surface of secondary mirror (3)；Incident beam is injected from primary mirror (1) side, and beats the first sphere at secondary mirror (3)
On mirror (3a), through the first coquille (3a) reflection post-concentration on primary mirror (1), the most successively according to the second coquille (3b), master
Mirror (1), the first coquille (3a), primary mirror (1), the second coquille (3b) sequentially pass through repeatedly Circulated reflection, until secondary mirror (3)
Reflection light beam deflect away from the mirror sections of primary mirror (1), the convergent beam that secondary mirror (3) reflects forms multiple hot spots primary mirror (1) is upper；
The adjacent edges of described primary mirror (1) is additionally provided with corner cube mirror (5), and described corner cube mirror (5) is arranged on and deflects away from primary mirror (1) mirror
The hot spot corresponding position in region, face, the characteristic utilizing corner cube mirror (5) to be returned in former for beam deviation tailing edge direction, make
This hot spot position on primary mirror (1) produces skew, and makes light beam return along former direction, so that order of reflection doubles.
Multiple reflections assembly the most according to claim 1, it is characterised in that: the minute surface of described primary mirror (1) is generally T-shaped, T
The area of absence of shape minute surface both sides respectively constitutes light inlet and light-emitting window, and incident beam is after primary mirror (1) passes light inlet behind
Beat on first coquille (3a) of secondary mirror (3), after multiple reflections, reflexed to light-emitting window by the second coquille (3b)；Described master
The area of absence of mirror (1) minute surface both sides is respectively provided with a corner cube mirror (5), at two corner cube mirrors in light beam reflection process
(5) reflect respectively once on.
Multiple reflections assembly the most according to claim 1, it is characterised in that: described primary mirror (1) is movably arranged on primary mirror peace
On dress plate (7), make the angle of pitch of primary mirror (1) and lateral deflection angle adjustable.
Multiple reflections assembly the most according to claim 3, it is characterised in that: described primary mirror installing plate (7) is provided with primary mirror
Side float plate (9), described primary mirror side float plate (9) is provided with the guider screw (15) vertical with float plate (9) plate face, primary mirror side,
Described guider screw (15) is through the upper pilot hole arranged of primary mirror installing plate (7), and the diameter of this pilot hole is slightly larger than guider screw
(15) diameter, the top of described guider screw (15) is provided with nut (17), between described nut (17) and primary mirror installing plate (7)
Being provided with stage clip (19), the elastic force of stage clip (19) makes primary mirror side float plate (9) elastic abutment on the plate face of primary mirror installing plate (7)；
Jackscrew (21) it is additionally provided with, described jackscrew (21) the screwed hole structure that arrange upper with primary mirror installing plate (7) on described primary mirror installing plate (7)
Become threaded engagement, and jackscrew (21) top is resisted against on primary mirror side float plate (9) angle being used for regulating primary mirror side float plate (9)
Degree；Described jackscrew (21) is provided with two groups, and two groups of jackscrews (21) are separately positioned on top and the sidepiece of primary mirror installing plate (7), respectively
For regulating the angle of pitch and the lateral deflection angle of primary mirror side float plate (9)；Described primary mirror (1) is arranged on primary mirror side float plate (9)
On.
Multiple reflections assembly the most according to claim 3, it is characterised in that: described secondary mirror (3) is movably arranged on secondary mirror peace
On dress plate (11), make the angle of pitch of two coquillees of secondary mirror (3) and lateral deflection angle adjustable.
Multiple reflections assembly the most according to claim 5, it is characterised in that: described secondary mirror installing plate (11) is provided with two pieces
Secondary mirror side float plate (13), described secondary mirror side float plate (13) is provided with the guiding spiral shell vertical with float plate (13) plate face, secondary mirror side
Nail (15), described guider screw (15) is through the upper pilot hole arranged of secondary mirror installing plate (11), and the diameter of this pilot hole is slightly larger than
The diameter of guider screw (15), the top of described guider screw (15) is provided with nut (17), and described nut (17) is installed with secondary mirror
Being provided with stage clip (19) between plate (11), the elastic force of stage clip (19) makes secondary mirror side float plate (13) elastic abutment at secondary mirror installing plate
(11) on plate face；Jackscrew (21), described jackscrew (21) and secondary mirror installing plate (11) it is additionally provided with on described secondary mirror installing plate (11)
The screwed hole of upper setting constitutes threaded engagement, and jackscrew (21) top is resisted against on secondary mirror side float plate (13), is used for regulating pair
The angle of mirror side float plate (13)；Upper corresponding every piece of secondary mirror side float plate (13) of secondary mirror installing plate (11) is respectively provided with two groups of jackscrews
(21), top and the sidepiece of two groups of the most corresponding secondary mirror sides float plate (13) of jackscrew (21) are arranged, and are used for regulating secondary mirror side and float
The angle of pitch of plate (13) and lateral deflection angle；Two pieces of coquillees of described secondary mirror (3) are separately mounted to two pieces of secondary mirror side float plate
(13) on.
Multiple reflections assembly the most according to claim 5, it is characterised in that: described primary mirror installing plate (7) and secondary mirror are installed
The two ends up and down of plate (11) are connected by two crossbeams (23)；The coquille of described primary mirror (1) and the coquille radius phase of secondary mirror (3)
With, and the distance between primary mirror (1) and secondary mirror (3) is equal to the radius of coquille.
Multiple reflections assembly the most according to claim 1, it is characterised in that: described primary mirror (1) and the reflecting surface of secondary mirror (3)
On be all coated with the reflectance coating for improving reflectance, described reflectance coating be gold-plated, aluminize or silver-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579043.9A CN106198389B (en) | 2016-07-21 | 2016-07-21 | A kind of multiple reflections component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610579043.9A CN106198389B (en) | 2016-07-21 | 2016-07-21 | A kind of multiple reflections component |
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| CN106198389A true CN106198389A (en) | 2016-12-07 |
| CN106198389B CN106198389B (en) | 2019-03-19 |
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| CN201610579043.9A Active CN106198389B (en) | 2016-07-21 | 2016-07-21 | A kind of multiple reflections component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345912A (en) * | 2017-06-29 | 2017-11-14 | 安徽皖仪科技股份有限公司 | Multiple reflections flame atomizer |
| CN117664902A (en) * | 2024-01-31 | 2024-03-08 | 合肥中科红外精密仪器有限公司 | Improved multi-optical-path open type white pool infrared spectrum analysis system |
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| CN204346900U (en) * | 2015-01-22 | 2015-05-20 | 杭州春来科技有限公司 | A kind of return gas compartment for extraction-type laser gas analyzer |
| CN104949917A (en) * | 2014-03-27 | 2015-09-30 | 天津同阳科技发展有限公司 | Multi-reflection temperature control sample tank device with adjustable optical path |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005037180A (en) * | 2003-07-17 | 2005-02-10 | Horiba Ltd | Absorptiometric analyzer |
| JP2010107231A (en) * | 2008-10-28 | 2010-05-13 | Panasonic Electric Works Co Ltd | Infrared gas sensor |
| CN102053063A (en) * | 2010-06-24 | 2011-05-11 | 清华大学 | Folding multiple-optical path multichannel gas pool |
| CN203503967U (en) * | 2013-10-22 | 2014-03-26 | 华中科技大学 | Pump light multi-stroke transmission system and disc solid laser |
| CN104949917A (en) * | 2014-03-27 | 2015-09-30 | 天津同阳科技发展有限公司 | Multi-reflection temperature control sample tank device with adjustable optical path |
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| CN107345912A (en) * | 2017-06-29 | 2017-11-14 | 安徽皖仪科技股份有限公司 | Multiple reflections flame atomizer |
| CN107345912B (en) * | 2017-06-29 | 2019-10-11 | 安徽皖仪科技股份有限公司 | Multiple reflections flame atomizer |
| CN117664902A (en) * | 2024-01-31 | 2024-03-08 | 合肥中科红外精密仪器有限公司 | Improved multi-optical-path open type white pool infrared spectrum analysis system |
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| Publication number | Publication date |
|---|---|
| CN106198389B (en) | 2019-03-19 |
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