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Design on a dual band high spectral resolution imaging solar spectrometer
Zheng, Lianhui1,2,3,4; Gu, Naiting1,2; Rao, Changhui1,2; Qiu, Qi4
Volume9298
Pages92980T
2014
Language英语
ISSN0277786X
DOI10.1117/12.2072654
Indexed ByEi
Subtype会议论文
AbstractThe multi-wave imaging spectrometer with high spectral resolution and high energy utilization is an essential tool to characterize the solar atmosphere. A novel method based on the aberrations correction and high grating efficiency is proposed to avoid the aberration and increase the temporal resolution. It is applied to design a dual band high spectral resolution imaging spectrometer based on New Vacuum Solar Telescope, it can simultaneously observe H± 0.6563 um and CaII 0.8542 um lines, separately, improving the telescope observation efficiency. The ray tracing and optimization for the optical system are carried out with Zemax software. The results demonstrate that the wavefront RMS is roughly 0.06 at 0.6563 um, and 0.04 at 0.8542 um, within 3 arcmins field of view; The grating efficiency are all better than 70% in the range from 0.6 um to 1.1 um, which are equivalent to that of the fast imaging spectrograph (43%) installed in the New solar telescope at Big Bear Solar Observatory. The method is proved to be feasible, and can be used as a guidance to spectrometer design. © 2014 SPIE.; The multi-wave imaging spectrometer with high spectral resolution and high energy utilization is an essential tool to characterize the solar atmosphere. A novel method based on the aberrations correction and high grating efficiency is proposed to avoid the aberration and increase the temporal resolution. It is applied to design a dual band high spectral resolution imaging spectrometer based on New Vacuum Solar Telescope, it can simultaneously observe H± 0.6563 um and CaII 0.8542 um lines, separately, improving the telescope observation efficiency. The ray tracing and optimization for the optical system are carried out with Zemax software. The results demonstrate that the wavefront RMS is roughly 0.06 at 0.6563 um, and 0.04 at 0.8542 um, within 3 arcmins field of view; The grating efficiency are all better than 70% in the range from 0.6 um to 1.1 um, which are equivalent to that of the fast imaging spectrograph (43%) installed in the New solar telescope at Big Bear Solar Observatory. The method is proved to be feasible, and can be used as a guidance to spectrometer design. © 2014 SPIE.
Conference NameProceedings of SPIE: International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics
Conference Date2014
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7822
Collection自适应光学技术研究室(八室)
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China
4. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, China
Recommended Citation
GB/T 7714
Zheng, Lianhui,Gu, Naiting,Rao, Changhui,et al. Design on a dual band high spectral resolution imaging solar spectrometer[C],2014:92980T.
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