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长春光学精密机械与物... [2]
厦门大学 [1]
内容类型
会议论文 [2]
期刊论文 [1]
发表日期
2011 [3]
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Technology on fabrication of precise SiC aspherical mirror (EI CONFERENCE)
会议论文
2011 International Conference on Materials and Products Manufacturing Technology, ICMPMT 2011, October 28, 2011 - October 30, 2011, Chengdu, China
Zhang Z.
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浏览/下载:19/0
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提交时间:2013/03/25
This paper represents a technique to produce the large size optical aspherical mirror by using reaction-bonded silicon carbide to meet the material requirements of the space used mirrors
based on the characters comparison of all types mirror material. Techniques are described in this paper
including the bonding procedure of silicon carbide to form a mirror shape
the CCOM technology for aspheric grinding
polishing on a home-developed tool -FSGJ-2
and the aspheric profilometry. A specialized Offner Null lens is also developed to measure the aspherical mirror with laser interferometer. With the technology depicted in the paper
a 502mm 298 mm off-axis SiC aspherical mirror is successfully made with a surface accuracy better than 1/50rms
the final result meets the design requirement. (2011) Trans Tech Publications.
The optical design of cubic phase plate testing system (EI CONFERENCE)
会议论文
2011 Symposium on Photonics and Optoelectronics, SOPO 2011, May 16, 2011 - May 18, 2011, Wuhan, China
Xu Y.
;
Lin H.
;
Zhu W.
;
Zhang Y.
;
Zhang X.
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浏览/下载:18/0
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提交时间:2013/03/25
Computer-generated holograms (CGH) have been widely used for years in optical testing of aspheric surfaces in combination with Fizeau interferometers. With the development of diffraction optics
computer technology
and micro-processing technology
the accuracy of the CGH testing can achieve a hundredth of a wave
and the cost is reduced greatly. CGH is capable of producing an optical wavefront with any desired shape. So it is fascinating and will have good prospects to test free-form surfaces using CGH. As the CGH can create any wavefront shape
it can also be used in unsymmetrical aspherical surfaces testing. Taking the cubic surface as an example
this paper gives a method to test unsymmetrical surfaces. This paper gives the design to test a cubic surface. And the separation of the diffraction orders and the binary process of the continuous CGH phase function are discussed in detail. The alignment tolerance of the test system and the CGH fabrication tolerance are analyzed. We also present an idea using a CGH and two spherical lenses as null lens to test the cubic surface when the surface deviation is great. 2011 IEEE.
光学非球面检测平台误差补偿
期刊论文
2011
刘建春
;
郭隐彪
;
邵明亮
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提交时间:2016/05/17
光学非球面
检测
数据分析
补偿
optical aspheric surface testing numerical analysis compensation
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