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长春光学精密机械与... [11]
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会议论文 [11]
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内容类型:会议论文
专题:长春光学精密机械与物理研究所
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Manufacture technology for large lightweight optical materials
会议论文
Materials and Processes Technologies V
Chen Y.
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2015/04/27
Space focusing mirror assembly with flexure hinges
会议论文
7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design Manufacturing, and Testing of Micro- and Nano-Optical Devices, and Systems, AOMATT 2014, April 26, 2014 - April 29, 2014, Harbin, China
Guo Q.
;
Li W.
;
Dong J.-H.
;
Li Y.
;
Wang K.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2015/04/27
Application of interferometry measurement in large-scale optic-electrical theodolite (EI CONFERENCE)
会议论文
2012 International Conference on Sensors, Measurement and Intelligent Materials, ICSMIM 2012, December 26, 2012 - December 27, 2012, Guilin, China
Zhao N.
;
Sun Z.
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2013/03/25
Interferometry is a very important method in high accuracy measurement for optical system. This article briefly introduced the conception of interferometry and took a product of 4D Technology as an example to carry on the measurement. A large-scale optic-electrical Theodolite in assemblage was measured
and its primary mirror was 400mm in diameter. With the analysis of the results
some micro adjustments of the mechanical structure proceed
and it made the system perform better. The final results of the whole system is 1.061 in P-V value and 0.1136 in RMS value (=632.8nm)
this meets the demand of optical design and practical application. The result demonstrates that interferometry is a good way to be utilized and optimize in the procedure of assemble. (2013) Trans Tech Publications
Switzerland.
Manufacturing technology of space optical materials
会议论文
3rd International Conference on Chemical Engineering and Advanced Materials, CEAM 2013, July 6, 2013 - July 7, 2013, Guangzhou, China, July 6, 2013 - July 7, 2013
Chen Y.
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2014/05/15
Application of interferometry measurement in large-scale optic-electrical theodolite
会议论文
2012 International Conference on Sensors, Measurement and Intelligent Materials, ICSMIM 2012, December 26, 2012 - December 27, 2012, Guilin, China
Zhao N.
;
Sun Z.
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2014/05/15
Bloch FDTD simulation of slow optical wave resonance cavity in optical storage technology
会议论文
Fifth International Symposium on Photoelectronic Detection and Imaging, ISPDI 2013, June 25, 2013 - June 27, 2013, Beijing, China
Zhang B.
;
Lin Z.
;
Cai L.
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2014/05/15
Structural design for lightweight off-axis TMA space telescope (EI CONFERENCE)
会议论文
2011 2nd International Conference on Digital Manufacturing and Automation, ICDMA 2011, August 5, 2011 - August 7, 2011, Zhangjiajie, Hunan, China
Xin H.
;
Li Z.
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2013/03/25
A kind of small space telescope with 1m focal length was designed. By adopting finite element analysis technique
the structure of the space telescope was analyzed. The analysis results indicate that the surface profile accuracy of the mirrors reach to RMS 8.0nm with the working circumstances 4C uniform temperature change and space micro-gravity
the base frequency of the structure was 115 Hz. It shows that the designed structure has sufficiently high dynamic and static stiffness and thermal dimensional stabiLity. This space optical telescope is very suitable for little satellite application. 2011 IEEE.
Design and test of focusing mechanism of space camera (EI CONFERENCE)
会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Micro- and Nano-Optical Devices and Systems, April 26, 2010 - April 29, 2010, Dalian, China
Guo Q.
;
Jin G.
;
Dong J.
;
Li Y.
;
Li W.
;
Wang H.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
According to the focal depth and work environment of a space camera
a focusing mechanism is designed
which consists of precision screw ball transmission and linear bearing guidance and accuracy improving. The dynamic- strike- resistance
adaptability to temperature and vacuum are considered into the reliable design method. Furthermore
the linearity error
the structure stability and the mechanism work situation in high and low temperature are tested. The result is that the linearity error of the mechanism is less than 0.003 mm
and the sway error of vertical way and level way of the mirror is less than 20''. The linearity error of the mechanism and the sway error of the mirror remain unchanged after vibration test. The mechanism can work in the complex space environment. 2010 SPIE.
Manufacturing and testing of the line-array fiber-optic image slicer based on silicon V-grooves (EI CONFERENCE)
会议论文
MEMS/MOEMS Technologies and Applications III, November 12, 2007 - November 14, 2007, Beijing, China
Liang J.
;
Guo P.
;
Liang Z.
;
Zhu Y.
;
Hou F.
;
Yao J.
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2013/03/25
Linear fiber-optic image slicer is used more and more in spatial exploration and imaging system. In this paper
a plane arranging method of fiber-optic array based on Si-V grooves is established in order to improve the accuracy and reduce the cost of manufacturing. Firstly
the Si-V groove array is micro-machined with anisotropic etching process
then optical fibers are placed in the grooves orderly with plane arranging method. Secondly
the end surfaces of the device are polished
also the linear fiber-optic image slicer is packaged. Finally
some parameters are tested
including structure parameters
transmittivity and vibration test. Experimental results indicate that the maximum error accumulated in 2000 periods of the Si-V grooves is 0.5 m
the error of the height in Si-V grooves is less than 0.15m
the roughness of the end surface is less than 0.9nm. The transmittivity of the linear fiber-optic image slicer that without optical film is 51.46% at the wavelength of 632.8nm. After random vibration experiment
the ratio of the broken fiber increased by 0.1%. While the temperature reached 320C
the stress of epoxy will be 130Mpa
which is close to the limit resistance stress of 139Mpa
some cracks appeared.
Study on the fabrication of orange micro-LED arrays for display (EI CONFERENCE)
会议论文
ICO20: Display Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China
Jin X.
;
Liang J.
;
Li J.
;
Zhao L.
;
Wang W.
收藏
  |  
浏览/下载:22/0
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提交时间:2013/03/25
Arrays of micro-sized LEDs which can be used as microdisplays have been demonstrated in recent years. In order to reduce the input and output connections to the arrays
we employ a matrix addressable architecture
in which all the pixels in each row are connected by a common metal line on the top of the window layer (top electrode) or at the base of substrate(bottom electrode). Decreasing the size of electrodes makes for minimizing the size of device. The optic and electric isolation and good ohmic contact are also helpful to obtain superior optical and electrical performance. We describe a procedure of fabrication of AlGalnP-based orange micro-LED by wet etching. The structure of devices is etched using both isotropic and anisotropic etchant. The pixel size is about 16um 20um
and there are 1000 818 pixels in the light emitting chip whose diagonal is 1-in.
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