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Hartmann wavefront sensor based on spherical reference wave
会议论文
Xi'an, China, October 24, 2018 - October 26, 2018
作者:
Wei, Wenju
;
Rao, Xuejun
;
Huang, Linhai
;
Zhong, Libo
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2021/05/06
Wavefront sensing
Hartmann sensor
Spherical reference wave
Dynamic range
Sensitivity
Thermal design and verification for a small space remote sensing camera
会议论文
作者:
Zhang, Gaopeng
;
Yang, Hongtao
;
Zhang, Zhi
;
Gao, Bo
;
Fei, Jiaqi
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  |  
浏览/下载:19/0
  |  
提交时间:2019/11/19
Finite element analysis method
Low temperature conditions
Optical remote sensing
Space cameras
Space remote sensing camera
Thermal control
Thermal-optical analysis
Wavefront aberrations
In-lab testing of six-level phase mask coronagraphs onto the high-contrast imaging THD2 bench
会议论文
ADAPTIVE OPTICS SYSTEMS VI, 2018-01-01
作者:
Patru, Fabien[1]
;
Baudoz, Pierre[2]
;
Galicher, Raphael[3]
;
Boussaha, Faouzi[4]
;
Firminy, Josiane[5]
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  |  
浏览/下载:1/0
  |  
提交时间:2019/04/22
high-contrast imaging
focal-plane wavefront sensing
coronagraphy
focal-plane phase mask
THD2 bench
Analysis of wavefront reconstruction in 8-meter ring solar telescope
会议论文
Conference on Adaptive Optics Systems V, Edinburgh, SCOTLAND, 2016-06-26
作者:
Dai YC(戴懿纯)
;
Jin ZY(金振宇)
;
Dai YC(戴懿纯)
;
Jin ZY(金振宇)
;
Jin ZY(金振宇)
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2017/01/10
Solar telescope
Annular aperture
Adaptive optics
Wavefront sensing
Modal reconstruction
Zonal reconstruction
Co-phasing of the segmented mirror based on the generalized phase diversity wavefront sensor
会议论文
Amsterdam, Netherlands, 2012-7-1
Changwei Li
;
Sijiong Zhang
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  |  
浏览/下载:15/0
  |  
提交时间:2014/01/09
Co-phasing
segmented mirror
wavefront sensing
optimization algorithm
Laser beacon adaptive optics ophthalmoscope for retinal multilayer imaging (EI CONFERENCE)
会议论文
2nd International Symposium on Bioelectronics and Bioinformatics, ISBB 2011, November 3, 2011 - November 5, 2011, Suzhou, China
Liu R.
;
Li D.
;
Xia M.
;
Kong N.
;
Qi Y.
;
Zheng X.
;
Xuan L.
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  |  
浏览/下载:17/0
  |  
提交时间:2013/03/25
A flood-illuminated adaptive optics ophthalmoscope for retinal multilayer imaging is introduced in this paper. By arranging an alterable stop in the illumination path
the illuminated area of retinal layer can be changed. A laser beacon for wavefront sensing is formed when the stop is a narrow aperture. The large aperture allows flood illumination and expands imaging field. A moveable imaging camera can focus on different layers of the retina. In the confirming experiment
a subject who was a 25-years-old normal health Chinese male was imaged. We got clear images of photoreceptor layer
blood vessels and nerve fiber layer. 2011 IEEE.
Design and wavefront sensing for the segmented Spherical Primary Optical Telescope
会议论文
2011 international conference on electronic and mechanical engineering and information technology, emeit 2011, harbin, china, august 12, 2011 - august 14, 2012
ShengzhangKai
;
FanXuewu
;
LiChuang
;
LiuKai
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2012/07/10
high-resolution
SPOT
on-orbit cophasing
segmented spherical primary mirror
quasi-Cassegrain telescope
wavefront sensing and control
Diffraction-limited
Progress of LAMOST Wavefront Sensing
会议论文
Marseille, France, 2008-6-23
Yong Zhang
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  |  
浏览/下载:12/0
  |  
提交时间:2014/01/02
Astronomical Telescope
LAMOST
Thin Mirror Active Optics
Segmented Mirror Active Optics
Wavefront Sensing
Wavefront Correction
Method for computer-aided alignment of complex optical system (EI CONFERENCE)
会议论文
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 2, 2005 - November 5, 2005, Zian, China
Yang X.
;
Han C.
;
Yu J.
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2013/03/25
For making complex optical system meet the design requirement
such as the space camera used in remote sensing and UVX lithophotography
especially for off-axis all-reflecting optical system
alignment technology is so necessary. In this paper
a method is presented. Based on the ideas of linearity instead of non-linearity and difference quotient instead of differential quotient
a mathematical model for computer-aided alignment is proposed. This model included the characteristics of the optical system
wavefront difference of its exit pupil and its misalignment of the misaligned optical system. Then comparing self-compiled software with alignment package of CODE V
as a result
this self-compiled software is much more valid than alignment package of CODE V. For a large aperture
long focal length and off-axis three-mirror optical system
computer-aided alignment is successful. Finally
the wavefront error of the middle field is 0.094 waves RMS and the wavefront error of +0.7 field is 0.106 waves RMS and the wavefront error of -0.7 field is 0.125 waves RMS at =632.8nm are obtained.
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