CN201034934Y - Wideband precision optically-active tester - Google Patents
Wideband precision optically-active tester Download PDFInfo
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- CN201034934Y CN201034934Y CNU2007200684196U CN200720068419U CN201034934Y CN 201034934 Y CN201034934 Y CN 201034934Y CN U2007200684196 U CNU2007200684196 U CN U2007200684196U CN 200720068419 U CN200720068419 U CN 200720068419U CN 201034934 Y CN201034934 Y CN 201034934Y
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- camera bellows
- import
- sample
- test camera
- monochromator
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Abstract
The utility model relates to a broadband precise optical rotation tester which comprises a light source, a testing dark box and a photomultiplier PMT connected with the computer. The light source is a lamp which gives off continuous light, the emission port of the light source is a lens device connected with the import of a monochromator, the export of the monochromator is connected with the import of the testing dark box by the fiber. An export is arranged on the back end or the sidewall of the testing dark box, which is connected with the photomultiplier PMT. The utility model has the advantages of wide spectral range, continuous adjustment and high resolution, which can test the optical rotation angle, the transmittance and the reflectivity and the kerr effect parameter of the sample as well.
Description
Technical field
The utility model relates to a kind of specimen transmitance, reflectivity, optically-active parameter apparatus.
Background technology
Patent family has " multi-wavelength optically-active tester ", application number: 200420097472, and the major defect that this patented technology exists:
(1) spectral range is a discrete wavelength, is not continuous wavelengthtunable;
(2) structurally, the polarizer of examining device partially is installed in the right and left of sample frame, reflectivity and Kerr effect parameter that can not specimen;
(3) spectrally resolved lower with angle-measurement accuracy.
The utility model content
The purpose of this utility model is to provide a kind of broadband accurate optically-active tester, and it is little, discontinuous to overcome existing optically-active tester spectral range, and improves the optically-active angle-measurement accuracy and expand reflectivity, and has Kerr effect parameter testing function.
In order to achieve the above object, design of the present utility model is: the continuous light that utilizes xenon lamp (1000W) to send enters monochromator through lens focus, obtains the monochromatic light that wavelength coverage is 190～1350nm; Homogeneous beam is coupled into camera bellows through optical fiber, and light beam forms linearly polarized light (seeing accompanying drawing 1) through the polarizer (Glan prism P).The polarizer (P), specimen holder (S) and analyzer (A) are fixed in the camera bellows (the camera bellows inner structure is seen Fig. 2), and photomultiplier is fixed in camera bellows outer (particular location is seen Fig. 2) by bellows, and two kinds of layout type are arranged:
Mode one: examine the device and the polarizer partially and be installed in the sample frame at the right and left, linearly polarized light produces faraday and rotates θ by behind the tested sample, and polarization state of light has changed Δ φ; Computer control analyzer (Glan prism A) and photomultiplier (semiconductor refrigerating) are measured delustring state (signal minimum) angle change value, are the optically-active angle delta φ of sample.Change the monochromator wavelength, the optically-active angle that can test 190～1350nm spectral range sample.When the inspection device is removed light path partially, the transmitance of specimen; Partially the inspection device is by the optically-active angle of specimen as in the light path time.
Mode two: examine same one side that the device and the polarizer are installed in the sample frame partially, linearly polarized light reflects at sample surfaces, when examining device partially and being removed light path, and the reflectivity of specimen; Partially the inspection device is by the Kerr effect parameter of specimen as in the light path time.
According to above-mentioned utility model design, the utility model adopts following technical proposals:
The accurate optically-active tester in a kind of broadband comprises light source, test camera bellows and the photomultiplier PMT that is connected microcomputer, it is characterized in that:
(1) light source is an xenon lamp, sends continuous light;
(2) emission port of light source connects the import of a monochromator through a lens devices;
(3) outlet of monochromator connects the import of test camera bellows by optical fiber;
(4) there is outlet to connect photomultiplier PMT on the rear end of test camera bellows or the sidewall.
Above-mentioned xenon lamp is the 1000W xenon lamp of U.S. Oriel company outlet, and monochromator is the UV-VIS monochromator of U.S. Oriel company outlet, the monochromatic light of monochromator output 190～1350nm.
From extremely outlet of its import, settle the polarizer, sample and analyzer successively in the above-mentioned test camera bellows, perhaps the polarizer and analyzer are positioned on the same side of sample; When exporting into a horizontal linear layout, photomultiplier PMT is positioned at the rear end of test camera bellows in its import, and the polarizer, sample and analyzer are arranged in parallel and with to import and export the line of centres perpendicular, and their central point is positioned at and imports and exports on the line of centres; When import center line and the perpendicular layout of center line of discharge, photomultiplier PMT is positioned on the test camera bellows sidewall, and sample is catoptron effect and 45 ° of tiltably-mounteds are being imported and exported center line joint place.
The import of above-mentioned test camera bellows connects a fiber clamp, the endpiece of fiber clamp fixed clamp optical fiber by screw retention.
The above-mentioned polarizer is that a slice polaroid is installed on the polaroid anchor clamps, and the polaroid anchor clamps are fixedly mounted on the manual turntable, manually has cushion block to be connected in the test camera bellows on the end platform by screw under the turntable.
Above-mentioned sample is installed on the sample clamp, and sample clamp is fixedly mounted on the turntable, and turntable is installed in the test camera bellows on the end platform by screw.
Above-mentioned analyzer is installed on the turntable driven by stepper motors, and turntable is installed in the test camera bellows on the end platform by screw.
The outlet of above-mentioned test camera bellows connects the import of described photomultiplier PMT by corrugated tube.
The utility model compared with prior art, have following conspicuous substantive distinguishing features and advantage: the continuous light of xenon lamp is adopted in this reality source of delustering, enter monochromator through lens focus, obtaining wavelength is 190～1350nm monochromatic light, be used for providing homogeneous beam to the test camera bellows, spectral range is wide, and is adjustable continuously, the resolution height.When the inspection device and the polarizer are installed in the sample both sides partially, but the optically-active angle of specimen.When the inspection device is removed light path partially, but the transmitance of specimen.When partially the inspection device and the polarizer are installed in one side of sample, when examining device partially and being removed light path, but the Kerr effect parameter of specimen, when examining device partially and being removed light path, but the reflectivity of specimen, so the utility model function is many.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the structural representation of test camera bellows in Fig. 1 example.
Fig. 3 is the vertical view of Fig. 2.
Embodiment
After now embodiment of the present utility model being described in.
Referring to Fig. 1, the accurate optically-active tester in this broadband comprises light source 1, test camera bellows 5 and the photomultiplier PMT9 that is connected microcomputer, and light source 1 is an xenon lamp, sends continuous light; The emission port of light source 1 connects the import of a monochromator 3 through a lens devices 2; The outlet of monochromator 3 connects the import of test camera bellows 5 by optical fiber 4; There is outlet to connect photomultiplier PMT9 on the rear end of test camera bellows 5 or the sidewall.
Above-mentioned xenon lamp is the 1000W xenon lamp of U.S. Oriel company outlet, and monochromator 3 is the UV-VIS monochromator of U.S. Oriel company outlet, the monochromatic light of monochromator 3 outputs 190～1350nm.
From extremely outlet of its import, settle the polarizer 6, sample 7 and analyzer 8 successively in the above-mentioned test camera bellows 5, perhaps the polarizer 6 and analyzer 8 are positioned on the same side of sample 7; In its import when exporting into a horizontal linear layout, photomultiplier PMT9 is positioned at the rear end of test camera bellows 5, the polarizer 6, sample 7 and analyzer 8 are arranged in parallel and with to import and export the line of centres perpendicular, and their central point is positioned at and imports and exports on the line of centres; When import center line and the perpendicular layout of center line of discharge, photomultiplier PMT9 is positioned on test camera bellows 5 sidewalls, and sample 7 is being imported and exported center line joint place for 45 ° of tiltably-mounteds of catoptron effect.
The import of above-mentioned test camera bellows 5 connects a fiber clamp 11, the endpiece of fiber clamp 11 fixed clamp optical fiber 4 by screw retention.
The above-mentioned polarizer 6 is that a slice polaroid is installed on the polaroid anchor clamps, and the polaroid anchor clamps are fixedly mounted on the manual turntable 12, and manually turntable has for 12 times cushion block 13 to be connected on the 5 interior end of the test camera bellows platform 10 by screw.
Above-mentioned sample 7 is installed on the sample clamp 14, and sample clamp 14 is fixedly mounted on the turntable 15, and turntable 15 is installed on the 5 interior end of the test camera bellows platform 10 by screw.
Above-mentioned analyzer 8 is installed on the turntable 16 driven by stepper motors, and turntable 16 is installed on the 5 interior end of the test camera bellows platform 10 by screw.
The outlet of above-mentioned test camera bellows 5 connects the import of described photomultiplier PMT9 by corrugated tube 17.
Present embodiment is same as the previously described embodiments basically, and institute's difference is: in test camera bellows 5, the polarizer 6 and analyzer 8 are positioned on the same side of sample 7.
Claims (8)
1. the accurate optically-active tester in broadband comprises light source (1), test camera bellows (5) and the photomultiplier PMT (9) that is connected microcomputer, it is characterized in that:
(1) light source (1) is an xenon lamp, sends continuous light;
(2) emission port of light source (1) connects the import of a monochromator (3) through a lens devices (2);
(3) outlet of monochromator (3) connects the import of test camera bellows (5) by optical fiber (4);
(4) there is outlet to connect photomultiplier PMT (9) on the rear end of test camera bellows (5) or the sidewall.
2. the accurate optically-active tester in broadband according to claim 1, it is characterized in that described xenon lamp is the 1000W xenon lamp of U.S. Oriel company outlet, monochromator (3) is the UV-VIS monochromator of U.S. Oriel company outlet, the monochromatic light of monochromator (3) output 190～1350nm.
3. the accurate optically-active tester in broadband according to claim 1, it is characterized in that testing in the camera bellows (5) from extremely outlet of its import, settle the polarizer (6), sample (7) and analyzer (8) successively, perhaps the polarizer (6) and analyzer (8) are positioned on the same side of sample (7); In its import when exporting into a horizontal linear layout, photomultiplier PMT (9) is positioned at the rear end of test camera bellows (5), the polarizer (6), sample (7) and analyzer (8) are arranged in parallel and with to import and export the line of centres perpendicular, and their central point is positioned at and imports and exports on the line of centres; When import center line and the perpendicular layout of center line of discharge, photomultiplier PMT (9) is positioned on test camera bellows (5) sidewall, and sample (7) is being imported and exported center line joint place for 45 ° of tiltably-mounteds of catoptron effect.
4. the accurate optically-active tester in broadband according to claim 3 is characterized in that the import of testing camera bellows (5) connects a fiber clamp (11), the endpiece of fiber clamp (11) fixed clamp optical fiber (4) by screw retention.
5. the accurate optically-active tester in broadband according to claim 3, it is characterized in that the described polarizer (6) is that a slice polaroid is installed on the polaroid anchor clamps, the polaroid anchor clamps are fixedly mounted on the manual turntable (12), manually have cushion block (13) to be connected on test camera bellows (5) platform of the interior end (10) by screw under the turntable (12).
6. the accurate optically-active tester in broadband according to claim 3, it is characterized in that described sample (7) is installed on the sample clamp (14), sample clamp (14) is fixedly mounted on the turntable (15), and turntable (15) is installed on test camera bellows (5) platform of the interior end (10) by screw.
7. the accurate optically-active tester in broadband according to claim 3 is characterized in that described analyzer (8) is installed on the turntable driven by stepper motors (16), and turntable (16) is installed on test camera bellows (5) platform of the interior end (10) by screw.
8. the accurate optically-active tester in broadband according to claim 3 is characterized in that the outlet of described test camera bellows (5) connects the import of described photomultiplier PMT (9) by corrugated tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200684196U CN201034934Y (en) | 2007-03-29 | 2007-03-29 | Wideband precision optically-active tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200684196U CN201034934Y (en) | 2007-03-29 | 2007-03-29 | Wideband precision optically-active tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034934Y true CN201034934Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200684196U Expired - Fee Related CN201034934Y (en) | 2007-03-29 | 2007-03-29 | Wideband precision optically-active tester |
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| CN (1) | CN201034934Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067530A (en) * | 2015-08-06 | 2015-11-18 | 丁海铭 | Low transmittance mechanical chopping simulator |
| CN106482830A (en) * | 2016-09-29 | 2017-03-08 | 清华大学 | A kind of calibration system of the photon counter based on standard light source and method |
| CN107945159A (en) * | 2017-11-16 | 2018-04-20 | 长飞光纤光缆股份有限公司 | A kind of automation control system of optical fiber geometric parameter and attenuation coefficient integration testing |
-
2007
- 2007-03-29 CN CNU2007200684196U patent/CN201034934Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067530A (en) * | 2015-08-06 | 2015-11-18 | 丁海铭 | Low transmittance mechanical chopping simulator |
| CN105067530B (en) * | 2015-08-06 | 2017-07-18 | 丁海铭 | Low transmission machinery copped wave simulator |
| CN106482830A (en) * | 2016-09-29 | 2017-03-08 | 清华大学 | A kind of calibration system of the photon counter based on standard light source and method |
| CN107945159A (en) * | 2017-11-16 | 2018-04-20 | 长飞光纤光缆股份有限公司 | A kind of automation control system of optical fiber geometric parameter and attenuation coefficient integration testing |
| CN107945159B (en) * | 2017-11-16 | 2021-02-19 | 长飞光纤光缆股份有限公司 | Automatic control system for integrated test of optical fiber geometric parameters and attenuation coefficients |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Hongliang Inventor after: Zhong Minjian Inventor after: Wang Chuntao Inventor after: Yang Junyi Inventor after: Guo Guanglei Inventor after: Yue Yue Inventor before: Ma Hongliang Inventor before: Zhong Minjian Inventor before: Wang Chuntao Inventor before: Yang Junyi Inventor before: Guo Guanglei Inventor before: Yue Yue |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA HONGLIANG; ZHONG MINJIAN; WANG CHUNTAO; YANG JUNYI; GUO GUANGLEI; YUE ZHONGYUE TO: MA HONGLIANG; ZHONG MINJIAN; WANG CHUNTAO; YANG JUNYI; GUO GUANGLEI; YUE ZHONGYUE |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |