CN206399830U - A kind of optical material refraction index test device - Google Patents
A kind of optical material refraction index test device Download PDFInfo
- Publication number
- CN206399830U CN206399830U CN201720070046.XU CN201720070046U CN206399830U CN 206399830 U CN206399830 U CN 206399830U CN 201720070046 U CN201720070046 U CN 201720070046U CN 206399830 U CN206399830 U CN 206399830U
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- CN
- China
- Prior art keywords
- optical
- power meter
- light power
- tunable laser
- location panel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of optical material refraction index test device, including a test platform, test platform is provided with the location panel for placing optical sample to be measured, location panel is adjusted on platform located at the optics of adjusting position is capable of, the contrastive test fixture for being capable of push-and-pull slip is additionally provided with location panel, contrastive test fixture is provided with the standard null air cavity of detection, provided with the front glass flat board optical cement plate being closely joined together in standard null air cavity, with optical sample identical calibrated bolck to be measured and rear glass plate optical cement plate, popped one's head in provided with the first light power meter the front side of location panel, optical fiber collimator is sequentially provided with rear side of location panel, circulator, second light power meter is popped one's head in and tunable laser measurement apparatus, first light power meter is popped one's head in and the second light power meter probe is connected in tunable laser measurement apparatus, tunable laser measurement apparatus connects a control computer；The utility model accurate positioning, detection are easy to use, and Refractive Index Analysis test is accurate.
Description
Technical field
The utility model is related to optics processing technique field, more particularly to a kind of optical material refraction index test dress
Put.
Background technology
When manufacturing optical element, it is necessary to which outsourcing optics raw material, need to these optics raw material before processing
Analysis detection is carried out, optics material property and quality are determined so as to accurate.
Although the material parameters or the dispersion spectrum coefficient according to optical material theory that are provided according to optical material supplier
Materials theory refractive index can be calculated, but optical material is during the manufacturing, and optical material is through overbaking, annealing etc.
Refractive index can change after reason, therefore detection optical material actual refractive index, then by the actual refractive index of detection and optics material
Material theoretical refractive index is compared checking, confirms whether the actual refractive index of optical material meets the requirements, and advantageously ensures that optics
Part fabricates performance.
The content of the invention
To overcome the deficiencies in the prior art, it is accurate that the utility model provides a kind of easy to detect, Refractive Index Analysis test
Optical material refraction index test device.
The utility model is to reach that the technical scheme that above-mentioned technical purpose is used is：A kind of optical material refraction index test
Device, including a test platform, the test platform are put down provided with the location panel for placing optical sample to be measured, the positioning
Plate is capable of on the optics of adjusting position regulation platform located at one, and the comparison for being capable of push-and-pull slip is additionally provided with the location panel
Test fixture, standard null air cavity and guiding push-and-pull sliding panel of the contrastive test fixture provided with detection, the standard null
Provided with the front glass flat board optical cement plate being closely joined together and optical sample identical calibrated bolck to be measured and rear glass in air cavity
Flat board optical cement plate, the front side of the location panel is popped one's head in provided with the first light power meter, is sequentially provided with rear side of the location panel
Optical fiber collimator, circulator, the second light power meter probe and tunable laser measurement apparatus, first light power meter probe and
Second light power meter probe is connected in the tunable laser measurement apparatus, the tunable laser measurement apparatus connection one
Individual control computer.
The circulator is the port circulator of optics three, and the incidence end of the circulator connects the tunable laser measurement
The tunable laser of device, the exit end of the circulator connects the optical fiber collimator, and the reflection end of the circulator connects
Connect the second light power meter probe.
The rotation of optical sample to be measured and the standard null air cavity anglec of rotation can be adjusted by being provided with the optics regulation platform
Adjust slide unit；The position of laser facula or angle on optical sample to be measured can be adjusted by rotating regulation slide unit, it is ensured that survey
Laser facula can vertically get to testing sample surface during examination, while the laser facula of reflection can be with backtracking to fiber optic collimator
Device.
The lateral surface of the front glass flat board optical cement plate and rear glass plate optical cement plate is provided with anti-reflection film.
The wavelength measurement precision of the tunable laser measurement apparatus is greater than or equal to 0.05nm.
The beneficial effects of the utility model are：
1st, it is capable of the location panel and the standard null of contrastive test of optical sample to be measured by being placed on test platform
Air cavity, standard null air cavity, which is fixed on contrastive test fixture, is easy to push-and-pull slide handover, facilitates tunable laser measurement apparatus fast
The free spectrum of fast change detection standard null air cavity and optical sample to be measured carries out refractive index calculating；
2nd, be fixed on front glass flat board optical cement plate on contrastive test fixture, the calibrated bolck with optical sample uniform thickness to be measured and
The standard null air cavity accurate positioning, easy to use that glass plate optical cement plate is constituted afterwards, without frequently changing clamping standard null air cavity；
3rd, optical sample to be measured and standard null air cavity are fixed on optics regulation platform, are easy to test to adjust.
The utility model is by setting accurate positioning, location panel easy to use and standard null air cavity contrastive test are pressed from both sides
Tool, easy to detect, Refractive Index Analysis test is accurate.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.Wherein：
Fig. 1 is the structural representation of the utility model optical material refraction index test device；
Fig. 2 is the refraction principle schematic diagram of the utility model standard null air cavity；
Fig. 3 is the refraction principle schematic diagram of this practical optical sample to be measured.
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to describe in detail.
Refer to shown in Fig. 1, the utility model optical material refraction index test device includes a test platform 1, described
Test platform 1 can adjust position provided with the location panel 11 for placing optical sample 2 to be measured, the location panel 11 located at one
On the optics regulation platform 3 put, the contrastive test fixture 4 for being capable of push-and-pull slip, the ratio are additionally provided with the location panel 11
To standard null air cavity 41 of the test fixture 4 provided with detection and guiding push-and-pull sliding panel 42, set in the standard null air cavity 41
There are the front glass flat board optical cement plate 411 and the identical calibrated bolck 412 of optical sample 2 to be measured and rear glass being closely joined together
Flat board optical cement plate 413, the front side of the location panel 11 is provided with the first light power meter probe 5, the rear side of the location panel 11
It is sequentially provided with optical fiber collimator 6, circulator 7, the second light power meter probe 8 and tunable laser measurement apparatus 9, first light
Power meter probe 5 and the second light power meter probe 8 are connected in the tunable laser measurement apparatus 9, described tunable sharp
Optical measurement instrument 9 connects a control computer 10.
The circulator 7 is the port circulator of optics three, and the incidence end of the circulator 7 connects the tunable laser and surveyed
Measure the tunable laser of device 9, the exit end of the circulator 7 connects the optical fiber collimator 6, the circulator 7 it is anti-
Penetrate end connection the second light power meter probe 8.
Provided with optical sample 2 to be measured and the anglec of rotation of standard null air cavity 41 can be adjusted in optics regulation platform 3
Rotation regulation slide unit 31.
The lateral surface of the front glass flat board optical cement plate 411 and rear glass plate optical cement plate 412 is provided with anti-reflection film.
The wavelength measurement precision of the tunable laser measurement apparatus 9 is greater than or equal to 0.05nm.
Refer to shown in Fig. 2 and Fig. 3, the utility model optical material refractometry principle is former using multiple-beam interference
Reason, the standard null air cavity 41 in contrastive test fixture 4 is first slided be pushed into optical path and be adjusted when using, and utilizes the
One light power meter probe 5, optical fiber collimator 6, circulator 7, the second light power meter probe 8 and tunable laser measurement apparatus 9 are swept
The interference spectrum of testing standard air chamber is retouched, its Free Spectral Range is FSR1=C/（2*n0*D）；Then contrastive test is pushed open
Standard null air cavity 41 in fixture 4, is put into optical sample 2 to be measured in the light path of location panel 11, recycles the first light power meter
Probe 5, optical fiber collimator 6, circulator 7, the second light power meter probe 8 and the sweep test of tunable laser measurement apparatus 9 are to be measured
The interference spectrum of optical sample, its Free Spectral Range is FSR2=C/（2*n*D）；Wherein C is known light spread speed, empty
Gas refractive index is no (air refraction is about 1.0027325 under normal temperature), and D is thickness of optical sample to be measured, and n is photometry sample
Refractive index, actual refractive index n=FSR1*n0/FSR2 of optical sample to be measured can be calculated according to two equatioies, and refractive index is surveyed
Examination is calculated quick and precisely.
First light power meter probe 5 and the second light power meter probe 8 can receive laser facula, convert light energy into electric signal
It is input in the light power meter in tunable laser measurement apparatus 9.
According to test needs, tunable laser measurement apparatus 9 can also be substituted with spectroanalysis instrument；It will directly can also treat
The clamping of photometry sample 2 is carried out in front glass flat board optical cement plate 411 and rear glass plate optical cement plate 413 as calibrated bolck 412
Test.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, is similarly included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of optical material refraction index test device, it is characterised in that：Including a test platform, set on the test platform
There is the location panel for placing optical sample to be measured, the location panel is capable of the optics regulation platform of adjusting position located at one
On, the contrastive test fixture for being capable of push-and-pull slip is additionally provided with the location panel, the contrastive test fixture is provided with detection
Provided with the front glass flat board being closely joined together in standard null air cavity and guiding push-and-pull sliding panel, the standard null air cavity
Optical cement plate, with optical sample identical calibrated bolck to be measured and rear glass plate optical cement plate, the front side of the location panel is provided with the
One light power meter is popped one's head in, be sequentially provided with rear side of the location panel optical fiber collimator, circulator, the second light power meter probe and
Tunable laser measurement apparatus, the first light power meter probe and the second light power meter probe are connected to described tunable sharp
In optical measurement instrument, the tunable laser measurement apparatus connects a control computer.
2. a kind of optical material refraction index test device according to claim 1, it is characterised in that：The circulator is light
Three port circulators are learned, the incidence end of the circulator connects the tunable laser of the tunable laser measurement apparatus, institute
The exit end for stating circulator connects the optical fiber collimator, and the reflection end of the circulator connects second light power meter and visited
Head.
3. a kind of optical material refraction index test device according to claim 1, it is characterised in that：The optics regulation is flat
In platform slide unit is adjusted provided with the rotation that can adjust optical sample to be measured and the standard null air cavity anglec of rotation.
4. a kind of optical material refraction index test device according to claim 1, it is characterised in that：The front glass flat board
The lateral surface of optical cement plate and rear glass plate optical cement plate is provided with anti-reflection film.
5. a kind of optical material refraction index test device according to claim 1, it is characterised in that：The tunable laser
The wavelength measurement precision of measurement apparatus is greater than or equal to 0.05nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070046.XU CN206399830U (en) | 2017-01-18 | 2017-01-18 | A kind of optical material refraction index test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070046.XU CN206399830U (en) | 2017-01-18 | 2017-01-18 | A kind of optical material refraction index test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399830U true CN206399830U (en) | 2017-08-11 |
Family
ID=59518693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720070046.XU Expired - Fee Related CN206399830U (en) | 2017-01-18 | 2017-01-18 | A kind of optical material refraction index test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399830U (en) |
-
2017
- 2017-01-18 CN CN201720070046.XU patent/CN206399830U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |