基于物理光学传播算法的Czerny-Turner组态拉曼光谱仪设计仿真

3区 物理与天体物理 Q1 Materials Science
Muddasir Naeem, Noor-ul-ain Fatima, M. Hussain, T. Imran, A. Bhatti
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引用次数: 2

摘要

本文报道了利用Zemax光学系统设计软件对拉曼光谱仪进行设计仿真。该设计基于切尔尼-特纳结构,包括一个由入口狭缝、两个凹面镜、反射型衍射光栅和一个图像检测器组成的光学系统。通过引入探测器像元与波长、线阵CCD接收面长度和像面尺寸的对应关系,提出了系统的建模方法。采用物理光学传播(POP)算法进行仿真。模拟了光斑图、相对照度、辐照度图、调制传递函数(MTF)、几何能量和环绕能量,为拉曼光谱仪的设计提供了理论依据。给出了以527nm波长激光作为激发光源的拉曼光谱仪的仿真结果。该光学系统采用顺序模式设计,在530 ~ 630 nm范围内进行了拉曼光谱观测。分析表明,该系统具有较好的成像效率,可用于光学诊断的高效、经济的拉曼光谱仪。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design Simulation of Czerny–Turner Configuration-Based Raman Spectrometer Using Physical Optics Propagation Algorithm
We report the design simulation of the Raman spectrometer using Zemax optical system design software. The design is based on the Czerny–Turner configuration, which includes an optical system consisting of an entrance slit, two concave mirrors, reflecting type diffraction grating and an image detector. The system’s modeling approach is suggested by introducing the corresponding relationship between detector pixels and wavelength, linear CCD receiving surface length and image surface dimension. The simulations were carried out using the POP (physical optics propagation) algorithm. Spot diagram, relative illumination, irradiance plot, modulation transfer function (MTF), geometric and encircled energy were simulated for designing the Raman spectrometer. The simulation results of the Raman spectrometer using a 527 nm wavelength laser as an excitation light source are presented. The present optical system was designed in sequential mode and a Raman spectrum was observed from 530 nm to 630 nm. The analysis shows that the system’s image efficiency was quite good, predicting that it could build an efficient and cost-effective Raman spectrometer for optical diagnostics.
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来源期刊
Progress in Optics
Progress in Optics 物理-光学
CiteScore
4.50
自引率
0.00%
发文量
8
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