Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Comparison of long-wave infrared imaging spectrometers with concentric under different grating constants | |
Sun, J.; C. Li; Y. Liu; C. Li; J. Wang; J. Liu and Q. Sun | |
2016 | |
发表期刊 | Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering |
卷号 | 45期号:7 |
摘要 | Almost all the deformable mirror (DM) based adaptive optics systems (AOSs) used on large aperture telescopes work at the infrared waveband due to the limitation of the number of actuators. To extend the imaging waveband to the visible, we propose a DM and Liquid crystal wavefront corrector (DM/LCWFC) combination AOS. The LCWFC is used to correct the high frequency aberration corresponding to the visible waveband and the aberrations of the infrared are corrected by the DM. The calculated results show that, to a 10 m telescope, DM/LCWFC AOS which contains a 1538 actuators DM and a 404 x 404 pixels LCWFC is equivalent to a DM based AOS with 4057 actuators. It indicates that the DM/LCWFC AOS is possible to work from visible to infrared for larger aperture telescopes. The simulations and laboratory experiment are performed for a 2 m telescope. The experimental results show that, after correction, near diffraction limited resolution USAF target images are obtained at the wavebands of 0.7-0.9 mu m, 0.9-1.5 mu m and 1.5-1.7 mu m respectively. Therefore, the DM/LCWFC AOS may be used to extend imaging waveband of larger aperture telescope to the visible. It is very appropriate for the observation of spatial objects and the scientific research in astronomy. (C) 2016 Optical Society of America |
文章类型 | 期刊 |
收录类别 | EI |
语种 | 中文 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/57191 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Sun, J.,C. Li,Y. Liu,et al. Comparison of long-wave infrared imaging spectrometers with concentric under different grating constants[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2016,45(7). |
APA | Sun, J.,C. Li,Y. Liu,C. Li,J. Wang,&J. Liu and Q. Sun.(2016).Comparison of long-wave infrared imaging spectrometers with concentric under different grating constants.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,45(7). |
MLA | Sun, J.,et al."Comparison of long-wave infrared imaging spectrometers with concentric under different grating constants".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 45.7(2016). |
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