CN203705145U - Novel polarization detector - Google Patents
Novel polarization detector Download PDFInfo
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- CN203705145U CN203705145U CN201320788779.9U CN201320788779U CN203705145U CN 203705145 U CN203705145 U CN 203705145U CN 201320788779 U CN201320788779 U CN 201320788779U CN 203705145 U CN203705145 U CN 203705145U
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Abstract
A novel polarization detector relates to the polarization detection technology. The novel polarization detector aims at solving the problems that a conventional polarization direction detector cannot enable people to visually determine whether a lens to be detected is a polarizing film, and the polarization direction of the polarizing film cannot be visually judged. The novel polarization detector comprises a laser, an azimuthal lens, a focusing system and a CCD, laser light emitted by the laser is vertically incident on the surface of the azimuthal lens, laser light transmitted from the azimuthal lens passes through the focusing system and then is incident on the light-receiving surface of the CCD. Polarization light spots can be clearly observed through the CCD, and the polarization direction of the polarizing film to be detected can be directly obtained. The novel polarization detector is suitable for the polarization direction detection of polarizing films.
Description
Technical field
The utility model relates to Polarization Detection technology.
Background technology
Common polarization direction detecting instrument is all the card that utilizes a polarization, after putting on one's glasses, can see the image of special printing on card, this method cannot make people determine intuitively whether eyeglass to be measured is polaroid, and cannot judge intuitively the polarization direction of polaroid.
Utility model content
The purpose of this utility model is cannot make people determine intuitively whether eyeglass to be measured is polaroid in order to solve traditional polarization direction detecting instrument, and cannot judge intuitively the problem of the polarization direction of polaroid, and a kind of novel Polarization Detection instrument is provided.
Novel Polarization Detection instrument described in the utility model comprises laser instrument, angle lens, focusing system and CCD, the laser vertical that described laser instrument sends is incident to the surface of angle lens, and the laser transmiting from angle lens is incident on the light receiving surface of CCD after focusing system.
Described focusing system is convex lens.
Angle lens in novel Polarization Detection instrument described in the utility model are equivalent to a polarizer part with circular shape concentric propagation axis, and its principle of work is that each little region is a line polarizer, and the direction of transmission axle is perpendicular to radially.This device can be regarded a wire grid polarization as, by circular line replacement parallel lines.The laser that laser instrument sends becomes linearly polarized light successively after polaroid to be measured, the polarization direction of described linearly polarized light is identical with the polarization direction of polaroid to be measured, this linearly polarized light incides on the light receiving surface of CCD after angle lens and focusing system, can clearly observe polarization hot spot by CCD, this hot spot is circular speck, in described circular speck, there are two relative wedge shape dark spaces, the center line of dark space is exactly the direction of light polarization, so can directly draw very intuitively polarisation of light direction, the i.e. polarization direction of polaroid to be measured by this method.While adopting novel Polarization Detection instrument described in the utility model to detect the polarization direction of polarising glass, can judge intuitively whether the polarization direction of glasses is the vertical direction of protection eyes.
Accompanying drawing explanation
Fig. 1 is the structural representation of novel Polarization Detection instrument described in the utility model;
Fig. 2 is the polarization hot spot that adopts novel Polarization Detection instrument described in the utility model to observe.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, novel Polarization Detection instrument described in present embodiment comprises laser instrument 1, angle lens 2, focusing system 3 and CCD4, the laser vertical that described laser instrument 1 sends is incident to the surface of angle lens 2, and the laser transmiting from angle lens 2 is incident on the light receiving surface of CCD4 after focusing system 3.
Embodiment two: present embodiment is the further restriction to the novel Polarization Detection instrument described in embodiment one: described focusing system 3 is convex lens.
Principle of work: novel Polarization Detection instrument described in the utility model in use, polaroid to be measured is placed between laser instrument 1 and angle lens 2, the laser vertical that laser instrument 1 is sent incides the surface of polaroid to be measured, laser becomes linearly polarized light after polaroid to be measured, and linearly polarized light incides the light receiving surface of CCD4 successively after angle lens 2 and convex lens 9.Angle lens 2 are equivalent to a polarizer part with circular shape concentric propagation axis, and its principle of work is that each little region is a line polarizer, and the direction of transmission axle is perpendicular to radially.This device can be regarded a wire grid polarization as, by circular line replacement parallel lines.Regulate convex lens 9 to make to present on CCD4 the image of simple analysis, this image is a circular speck, has two relative wedge shape dark spaces in circular speck.By optical polarization principle, we can know, the center line of dark space is exactly the direction of light polarization, so can directly draw very intuitively polarisation of light direction, the i.e. polarization direction of polaroid to be measured by this method.
Claims (2)
1. a novel Polarization Detection instrument, it is characterized in that: it comprises laser instrument (1), angle lens (2), focusing system (3) and CCD (4), the laser vertical that described laser instrument (1) sends is incident to the surface of angle lens (2), and the laser transmiting from angle lens (2) is incident on the light receiving surface of CCD (4) after focusing system (3).
2. novel Polarization Detection instrument according to claim 1, is characterized in that: described focusing system (3) is convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788779.9U CN203705145U (en) | 2013-12-02 | 2013-12-02 | Novel polarization detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788779.9U CN203705145U (en) | 2013-12-02 | 2013-12-02 | Novel polarization detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705145U true CN203705145U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320788779.9U Expired - Fee Related CN203705145U (en) | 2013-12-02 | 2013-12-02 | Novel polarization detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203705145U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387937A (en) * | 2015-11-05 | 2016-03-09 | 黑龙江大学 | Detection method and apparatus of elliptically polarized light |
| CN105738966A (en) * | 2016-02-18 | 2016-07-06 | 中国科学院长春光学精密机械与物理研究所 | Water surface glitter suppression device and observation camera |
| CN108168471A (en) * | 2018-02-09 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | Polarize the installation parallelism detection method of robot scaling equipment |
| CN110133880A (en) * | 2019-04-30 | 2019-08-16 | 东莞市欧博泰光电有限公司 | Crystal ball surveys axial method |
-
2013
- 2013-12-02 CN CN201320788779.9U patent/CN203705145U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387937A (en) * | 2015-11-05 | 2016-03-09 | 黑龙江大学 | Detection method and apparatus of elliptically polarized light |
| CN105738966A (en) * | 2016-02-18 | 2016-07-06 | 中国科学院长春光学精密机械与物理研究所 | Water surface glitter suppression device and observation camera |
| CN108168471A (en) * | 2018-02-09 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | Polarize the installation parallelism detection method of robot scaling equipment |
| CN108168471B (en) * | 2018-02-09 | 2019-10-15 | 中国科学院长春光学精密机械与物理研究所 | Polarize the installation parallelism detection method of robot scaling equipment |
| CN110133880A (en) * | 2019-04-30 | 2019-08-16 | 东莞市欧博泰光电有限公司 | Crystal ball surveys axial method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20161202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |