环形光瞳对Fabry-Perot滤光器的影响
发布时间：2018-07-15 07:04
【摘要】：以法布里泊罗(F-P)滤光器为基础的二维成像光谱仪和二维磁像仪是太阳物理观测中的重要设备。一米新真空太阳望远镜(New Vacuum Solar Telescope,以下简称NVST)以及研制中的中国巨型太阳望远镜(Chinese Giant Solar Telescope,以下简称CGST)都可能使用F-P滤光器作为终端设备。F-P滤光器的使用必然涉及到定标问题。由于F-P滤光器精度很高,带宽达到pm量级,对它的定标必然会遇到很多问题。F-P滤光器的定标是一个系统性问题,不能脱离它所处的光路。天文F-P滤光器有两种配置光路,平行光路和远心光路。两种光路有各自的特点。在充分弄清F-P滤光器的基本参数后,这些特点可以帮助分析定标过程中可能出现的问题。CGST是由我国太阳物理学家联合提出的下一代太阳望远镜计划,环形望远镜方案是其中最重要的方案。基于F-P滤光器的二维磁像仪和二维成像光谱仪将是CGST的重要终端设备。环形光瞳对磁像仪和成像光谱仪的影响,将为CGST的光路设计和终端设计提供参考。本文采用数值模拟方法,分析了环形光瞳对F-P滤光器的影响。给出了像差、中心波长漂移量和带宽展宽量等分析结果。这些结果可以为今后对F-P滤光器的实测定标提供依据,也可以为具有环形光瞳的太阳望远镜光学设计提供参考。
[Abstract]:The two dimensional imaging spectrometer based on the F-P filter and the two-dimensional magnetometer are important devices in the solar physical observation. The New Vacuum Solar Telescope (hereinafter referred to as NVST) and the developed Chinese giant solar telescope (Chinese Giant Solar Telescope, hereinafter referred to as CGST) are all available. The use of the F-P filter as a terminal equipment.F-P filter is bound to involve the calibration problem. Because of the high precision of the F-P filter, the bandwidth is up to PM, it is bound to meet a lot of problems for its calibration. The calibration of the.F-P filter is a systematic problem and can not be separated from its optical path. The astronomical F-P filter has two kinds of configuration light. The two optical paths have their own characteristics. After fully clarified the basic parameters of the F-P filter, these features can help to analyze the possible problems in the calibration process,.CGST is the next generation solar telescope proposed by our solar physicists. The ring telescope scheme is the most important. The two-dimensional magnetic imager based on the F-P filter and the two-dimensional imaging spectrometer will be the important terminal equipment of the CGST. The influence of the ring pupil on the magnetic imager and the imaging spectrometer will provide reference for the design of the optical path and the terminal design of the CGST. The influence of the ring pupil on the F-P filter is analyzed by the numerical simulation method. The aberration is given. The results of the central wavelength shift and bandwidth broadening can provide a basis for the measurement of the F-P filter in the future, and can also be a reference for the optical design of the solar telescope with a ring pupil.
【学位授予单位】：中国科学院研究生院(云南天文台)
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：P111.41
[Abstract]:The two dimensional imaging spectrometer based on the F-P filter and the two-dimensional magnetometer are important devices in the solar physical observation. The New Vacuum Solar Telescope (hereinafter referred to as NVST) and the developed Chinese giant solar telescope (Chinese Giant Solar Telescope, hereinafter referred to as CGST) are all available. The use of the F-P filter as a terminal equipment.F-P filter is bound to involve the calibration problem. Because of the high precision of the F-P filter, the bandwidth is up to PM, it is bound to meet a lot of problems for its calibration. The calibration of the.F-P filter is a systematic problem and can not be separated from its optical path. The astronomical F-P filter has two kinds of configuration light. The two optical paths have their own characteristics. After fully clarified the basic parameters of the F-P filter, these features can help to analyze the possible problems in the calibration process,.CGST is the next generation solar telescope proposed by our solar physicists. The ring telescope scheme is the most important. The two-dimensional magnetic imager based on the F-P filter and the two-dimensional imaging spectrometer will be the important terminal equipment of the CGST. The influence of the ring pupil on the magnetic imager and the imaging spectrometer will provide reference for the design of the optical path and the terminal design of the CGST. The influence of the ring pupil on the F-P filter is analyzed by the numerical simulation method. The aberration is given. The results of the central wavelength shift and bandwidth broadening can provide a basis for the measurement of the F-P filter in the future, and can also be a reference for the optical design of the solar telescope with a ring pupil.
【学位授予单位】：中国科学院研究生院(云南天文台)
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：P111.41
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