摘要
在分析曲面棱镜特性的基础上,研究了系统的光谱分辨率与曲面棱镜结构之间的关系,给出了系统初始结构的计算方法;设计了可见光谱段的高光谱成像系统,其中曲面色散棱镜由冕牌破璃和火石破璃组合而成,用以减小光谱分辨率的非线性以及提高系统的成像质量;采用Zemax光学设计软件对系统进行优化,在400-800nm谱段内,平均光谱分辨率优于5nm,谱带弯曲均小于0.085个像元,谱线弯曲均小于0.092个像元。
The relationship between the spectral resolution and structure parameters of the curved prism is investigated based on the analysis of the curved prism. Then, the method is proposed to calculate the initial system structure. An imaging spectrometer is designed in visible light. The non-uniform spectral resolution is reduced by using two different materials. The designed system is optimized by Zemax. The average spectral resolution from 400-800 nm is less than 5 nm, and keystone and smile of the system are less than 0. 085 pixel and 0. 092 pixels, respectively.
出处
《中国科技论文》
CAS
北大核心
2016年第20期2316-2320,共5页
China Sciencepaper
基金
高等学校博士学科点专项科研基金资助项目(20123219120021
20133219110008)
国家自然科学基金资助项目(61475072)
关键词
光谱学
色散成像光谱仪
曲面棱镜
光学设计
spectroscopy
dispersion imaging spectrometer
curved prism
optical design
