摘要
提出一种光谱分析仪光学系统的优化设计方法.该方法以光线光学为依据,在光源和光瞳上以高密度取样,将追迹实际取样光线得到的点列图作为评价依据,根据光谱分析系统的评价指标,将整个系统以单色器入口为分界点分为两个子系统,分别对其进行优化设计,研制了对结果的后处理模块,并将其集成到光学设计软件中去.给出了一个原子吸收分光光度计光学系统实例,使用波段为190～860nm.设计结果和样品实验表明,该系统达到0.3nm的光谱分辨力要求.
An optimized design method for optical system of a spectroanalyzer is proposed. On the basis of ray optics and spot diagrams obtained through high-density sampling for light source and pupil plane as evaluation factors, the whole system is divided into two subsystems from the entrance of monochromator based on evaluation specifications for spectral analyzing system. A post-processing module is developed through optimizing the first sub-system and monochromator, respectively, and the module is integrated into optical design software. A practical example for optical system of atomic absorption spectrophotometer is given and its operating band is from 190 nanometer to 860nanometer. The design results and sample experiments show that the system has attained the demand of 0.3nanometer spectral resolution.
出处
《光电工程》
CAS
CSCD
北大核心
2004年第6期41-43,共3页
Opto-Electronic Engineering
关键词
优化设计
光谱分析仪
光学系统
光线追迹
光谱分辨力
Optimization design
Spectrometers
Optical system
Ray tracing
Spectral resolution
