CN102662206A - Angle reflector and angle reflector array - Google Patents
Angle reflector and angle reflector array Download PDFInfo
- Publication number
- CN102662206A CN102662206A CN2012101633360A CN201210163336A CN102662206A CN 102662206 A CN102662206 A CN 102662206A CN 2012101633360 A CN2012101633360 A CN 2012101633360A CN 201210163336 A CN201210163336 A CN 201210163336A CN 102662206 A CN102662206 A CN 102662206A
- Authority
- CN
- China
- Prior art keywords
- angle
- reflector
- aob
- aoc
- boc
- Prior art date
- 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.)
- Granted
Links
Images
Abstract
The invention provides an angle reflector and an angle reflector array. The angle reflector is of a tetrahedral structure made of K9 glasses, and comprises four fixed points, an incident plane and three side faces, wherein the three side faces are respectively provided with a reflecting film, and form a preset angle; when being incident from a direction vertical to the incident plane, light is projected to the first side face at the included angle of 54.7 degrees, is projected to the second side face at the included angle of 54.7 degrees after being totally reflected through the first side face, is projected to the third face at the included angle of 54.7 degrees after being totally reflected through the second side face, and is ejected from the direction vertical to the incident plane after being totally reflected by the third side face. The embodiment of the invention also provides the angle reflector array, which comprises six angle reflectors, wherein the six angle reflectors form a regular hexagon; and no gap exists among the six angle reflectors, so that the effective reflection area of the reflector array is favored to be increased.
Description
Technical field
The present invention relates to the spationautics field, be meant a kind of corner reflector and reflector array especially as Technique in Rendezvous and Docking pulse code passive optical sensor.
Background technology
Technique in Rendezvous and Docking is meant that two or more spacecrafts are in orbit by preposition and time junction (intersection), the thru-flight course of action of structurally link into an integrated entity then (butt joint).
In the universe of vastness, wanting to let two aircraft be docking together accurately is very difficult problem.Existing space intersection technology is to adopt butt joint pulse code passive optical sensor.Existing butt joint pulse code passive optical sensor is made up of sensor master mounting box and cooperative target two parts, and wherein sensor master mounting box is installed on the pursuit spacecraft, and cooperative target is installed on the passive space vehicle.
When butt joint; Send pulse laser by sensor master mounting box and shine cooperative target; And through camera it is formed images, draw relative position and the deflection angle of pursuit spacecraft through analysis of image data and known cooperative target mounting means in advance with respect to passive space vehicle.And corner reflector is the fundamental element that constitutes cooperative target, and the general corner reflector that uses more than four is arranged in array format according to certain mode, supplies pulse code passive optical sensor that it is detected.
This shows that the structure of corner reflector has directly caused the accuracy of butt joint.And the structure of existing corner reflector can not meet the demands.
Summary of the invention
To above-mentioned defective and the problem that existing corner reflector exists, the purpose of the embodiment of the invention is to propose more rational corner reflector of a kind of structure and reflector array.
In order to achieve the above object, the embodiment of the invention has proposed a kind of corner reflector, and the tetrahedral structure that said corner reflector is processed for K9 glass comprises four fixed points O, A, B, C,, comprise plane of incidence ABC and three side AOB, BOC, AOC; Said three side AOB, BOC, AOC are respectively equipped with reflectance coating; And said three side AOB, BOC, AOC become predetermined angle; When incident ray with perpendicular to the direction incident of incident surface A BC the time; To project on the AOB of side with 54.7 ° of angles; And after side AOB carries out total reflection, project on the BOC of side with 54.7 ° of angles, and after the BOC total reflection of side, project on the AOC of side with 54.7 ° of angles, and after the AOC total reflection of side, penetrate with the direction perpendicular to said incident surface A BC.
Preferred as technique scheme, the reflection critical angle of said K9 glass is 41.8 °.
Preferred as technique scheme, said reflectance coating is silver-plated film.
Preferred as technique scheme, the length of side of said four faces is 35mm.
In order to achieve the above object, the embodiment of the invention has also proposed a kind of reflector array, comprises six foregoing corner reflectors, forms a regular hexagon, does not have the slit between six corner reflectors.Thereby help increasing the specular cross section of reflector array.
Preferred as technique scheme, the corresponding fixed point of said six corner reflectors is set together to form said reflector array.
The embodiment of the invention has proposed the reflected energy that a kind of corner reflector and reflector array can obtain to improve big observation scope; Increase effective clear aperture; Improve the field angle of cooperative target; Reduce the angle of divergence of light beam, reduced array area occupied and weight to greatest extent under the situation of same specular cross section, make the picture of cooperative target on the CCD camera more be prone to effects such as identification.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the corner reflector of the embodiment of the invention;
Fig. 2 is the light path principle figure of the corner reflector of the embodiment of the invention;
Fig. 3 is the structural representation of the reflector array of the embodiment of the invention;
Imaging effect figure when Fig. 4 vertically injects corner reflector as shown in Figure 1 for light;
Imaging effect figure when Fig. 5 turns over 20 ° of angles for corner reflector.
Embodiment
To combine accompanying drawing of the present invention below, technical scheme of the present invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment 1
First embodiment of the invention has proposed a kind of corner reflector, and its structure is as shown in Figure 1, and the tetrahedral structure that said corner reflector is processed for K9 glass comprises four fixed points O, A, B, C, comprises plane of incidence ABC and three side AOB, BOC, AOC; Said three side AOB, BOC, AOC are respectively equipped with reflectance coating; And said three side AOB, BOC, AOC become predetermined angle; When making incident ray with the time perpendicular to the direction incident of incident surface A BC; To project on the AOB of side with 54.7 ° of angles; And after side AOB carries out total reflection, project on the BOC of side with 54.7 ° of angles, and after the BOC total reflection of side, project on the AOC of side with 54.7 ° of angles, and after the AOC total reflection of side, penetrate with the direction perpendicular to said incident surface A BC.
Wherein, the reflection critical angle of said K9 glass is 41.8 °.Said reflectance coating is silver-plated film.The length of side of four faces of said corner reflector is 35mm.
K9 glass is the glassware of processing with the K9 material.The K9 material belongs to optical glass, and K9 expects being made up of following raw material: SiO
2=69.13%B
2O
3=10.75%BaO=3.07%Na
2O=10.40%K
2O=6.29%As
2O
3=0.36%.
Its optical constant is: refractive index=1.51630 chromatic dispersions=0.00806 Abbe number=64.06.
Embodiment 2
Second embodiment of the invention has proposed a kind of reflector array, and its structure is as shown in Figure 3, comprises six the first described corner reflectors of embodiment.Wherein, the corresponding fixed point of said six corner reflectors is set together to form said reflector array, and the plane of incidence is regular hexagon.
The application proves its validity through following experiment:
Shown in Figure 4 is that the employing wavelength is the laser of 974nm, outside 40 meters, vertically injects corner reflector, and uses the CCD camera images acquired of focal length as 8mm, the corner reflector imaging effect figure that obtains.By knowing that reflected light shared area in image can meet the demands, and the intensity profile of high light is even basically among the figure.
Shown in Figure 5 is to turn over 20 ° of later imaging effects under these conditions when corner reflector.At this moment incident ray is no longer perpendicular to corner reflector, so hot spot brightness weakens to some extent, but reflecting effect is still good, can satisfy through graphical analysis and carry out recognition requirement.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (6)
1. a corner reflector is characterized in that, the tetrahedral structure that said corner reflector is processed for K9 glass comprises four fixed points (O), (A), (B), (C), comprises the plane of incidence (ABC) and three sides (AOB), (BOC), (AOC); Said three sides (AOB), (BOC), (AOC) are respectively equipped with reflectance coating; And said three sides (AOB), (BOC), (AOC) become predetermined angle; When incident ray with perpendicular to the direction incident of the plane of incidence (ABC) time; To project on the side (AOB) with 54.7 ° of angles; And, side (AOB) project on the side (BOC) after carrying out total reflection with 54.7 ° of angles; And through projecting on the side (AOC) with 54.7 ° of angles after the total reflection of side (BOC), and after the total reflection of side (AOC), penetrate with direction perpendicular to the said plane of incidence (ABC).
2. corner reflector according to claim 1 is characterized in that, the reflection critical angle of said K9 glass is 41.8 °.
3. corner reflector according to claim 1 is characterized in that, said reflectance coating is silver-plated film.
4. corner reflector according to claim 1 is characterized in that the length of side of said four faces is 35mm.
5. a reflector array is characterized in that, comprises six like each described corner reflector of claim 1-4.
6. according to the reflector array shown in the claim 5, it is characterized in that the corresponding fixed point of said six corner reflectors is set together and forms a regular hexagon to form said reflector array, does not have the slit between six corner reflectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163336.0A CN102662206B (en) | 2012-05-23 | 2012-05-23 | Angle reflector and angle reflector array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163336.0A CN102662206B (en) | 2012-05-23 | 2012-05-23 | Angle reflector and angle reflector array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102662206A true CN102662206A (en) | 2012-09-12 |
| CN102662206B CN102662206B (en) | 2014-09-17 |
Family
ID=46771731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210163336.0A Expired - Fee Related CN102662206B (en) | 2012-05-23 | 2012-05-23 | Angle reflector and angle reflector array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102662206B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403868A (en) * | 2015-11-21 | 2016-03-16 | 葛强林 | Cellular radar angle reflector |
| CN105652251A (en) * | 2014-11-20 | 2016-06-08 | 中国航空工业集团公司雷华电子技术研究所 | Small-caliber distributed corner reflector combined structure |
| CN109444821A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of controllable corner reflector that polarizes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534313A (en) * | 2003-04-02 | 2004-10-06 | 美国微感技术公司 | Reflector for converting polarization direction of polarized light and component element thereof |
| CN101133346A (en) * | 2004-11-12 | 2008-02-27 | 皇家飞利浦电子股份有限公司 | Bright full color reflective display |
| CN101571606A (en) * | 2009-06-01 | 2009-11-04 | 浙江工业大学 | Large-size micro-prism type reflecting material die and preparation method thereof |
| CN101983343A (en) * | 2008-03-31 | 2011-03-02 | 日本电石工业株式会社 | Multi-directional cube corner retroreflective object |
-
2012
- 2012-05-23 CN CN201210163336.0A patent/CN102662206B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534313A (en) * | 2003-04-02 | 2004-10-06 | 美国微感技术公司 | Reflector for converting polarization direction of polarized light and component element thereof |
| CN101133346A (en) * | 2004-11-12 | 2008-02-27 | 皇家飞利浦电子股份有限公司 | Bright full color reflective display |
| CN101983343A (en) * | 2008-03-31 | 2011-03-02 | 日本电石工业株式会社 | Multi-directional cube corner retroreflective object |
| CN101571606A (en) * | 2009-06-01 | 2009-11-04 | 浙江工业大学 | Large-size micro-prism type reflecting material die and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652251A (en) * | 2014-11-20 | 2016-06-08 | 中国航空工业集团公司雷华电子技术研究所 | Small-caliber distributed corner reflector combined structure |
| CN105652251B (en) * | 2014-11-20 | 2018-07-13 | 中国航空工业集团公司雷华电子技术研究所 | A kind of small-bore distributed corner reflector composite structure |
| CN105403868A (en) * | 2015-11-21 | 2016-03-16 | 葛强林 | Cellular radar angle reflector |
| CN105403868B (en) * | 2015-11-21 | 2018-04-17 | 葛强林 | A kind of honeycomb fashion radar corner reflector |
| CN109444821A (en) * | 2019-01-04 | 2019-03-08 | 北京环境特性研究所 | A kind of controllable corner reflector that polarizes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102662206B (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106443643B (en) | Optical axis monitoring method and device for high-precision active and passive detection system | |
| WO2009060549A1 (en) | Imaging optical system and distance measuring equipment | |
| US10649071B2 (en) | Scanning optical system and radar | |
| KR20150143436A (en) | Device for homogenizing laser radiation | |
| CN102662206B (en) | Angle reflector and angle reflector array | |
| CN104597707A (en) | Projection system and screen thereof | |
| CN105652431A (en) | Radiation-resistant and radiation-protective combined periscope type light path structure | |
| CN109708763A (en) | Based on microlens array transmitting-receiving bidirectional continuous scanning near infrared imaging system | |
| CN109239897A (en) | A kind of off-axis three anti-non-focus optical system | |
| US20140049830A1 (en) | Arrangement For Shaping Laser Radiation | |
| CN105372800B (en) | A kind of dual spectra optical imaging system and imaging device | |
| CN206833060U (en) | A kind of catadioptric optical camera lens | |
| CN103591547A (en) | Light deflecting optical film | |
| CN104813214A (en) | Near-infrared laser focusing lens and laser printing device | |
| CN207081864U (en) | A kind of large-numerical aperture is used for the optical system that fibre bundle couples with detector | |
| DE10339231B4 (en) | Rod lens, optical system and laser marking device | |
| CN209928047U (en) | Coated ridge prism | |
| CN102829877A (en) | Infrared optical system suitable for quantum well detector thermal infrared imager | |
| US9568652B1 (en) | Reflecting prism, and related components, systems, and methods | |
| CN210666213U (en) | Augmented reality optical system | |
| US20070159705A1 (en) | Optical Solar Collector | |
| CN210071643U (en) | Total reflection white pond | |
| CN110108642A (en) | A kind of total reflection White pond | |
| CN208076821U (en) | The periscope head module of hand-held device | |
| CN104834095B (en) | Dodging device based on multi-color light beam and optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20140917 Termination date: 20180523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |