拉曼光谱仪基本原理和典型应用  

Principles and typical applications of Raman spectrometers

作　　者：蒋杰 李聪慧 姚森浩 申珅 冉娜 张洁[1] JIANG Jie;LI Conghui;YAO Senhao;SHEN Shen;RAN Na;ZHANG Jie(Key Laboratory of Optoelectronic Technology and System,Education Ministry of China,Chongqing University,Chongqing,400044,China)

机构地区：[1]重庆大学光电技术及系统教育部重点实验室,重庆400044

出　　处：《光散射学报》2024年第3期305-319,共15页The Journal of Light Scattering

基　　金：国家自然科学基金(62175023)。

摘　　要：拉曼光谱仪是一种用于记录和分析拉曼散射光谱的仪器。它由激励光源、样品舱、滤波器、色散系统、探测器和信号处理模块等多个组件组成。根据原理的不同,主要分为光栅分光式拉曼光谱仪和傅里叶变换拉曼光谱仪。随着科学技术的不断进步,拉曼光谱仪的性能和功能不断提升。便携式拉曼光谱仪具有小型化、便携性和实时分析的特点,适用于野外和实地应用。片上拉曼光谱仪利用微纳加工技术,将光学元件集成在芯片上,实现了更小型化和高度集成的设备。拉曼光谱仪在化学成分分析、环境监测、食品检测等领域有着广泛的应用。本文简要介绍了拉曼散射原理和发展历程,以及常见拉曼光谱仪的主要组成部分和典型应用场景。Raman spectrometer is an instrument used to record and analyze Raman scattering spectra.It consists of multiple components such as a laser light source,sample chamber,filters,dispersion system,detector,and signal processing module.Based on different principles,it is mainly divided into grating spectrometer Raman spectrometer and Fourier transform Raman spectrometer.With the continuous advancement of science and technology,the performance and functionality of Raman spectrometers are constantly improving.Portable Raman spectrometers have the characteristics of miniaturization,portability,and real-time analysis,making them suitable for field and on-site applications.On-chip Raman spectrometers use micro-nano fabrication technology to integrate optical components on chips,achieving smaller and highly integrated devices.Raman spectrometers have a wide range of applications in fields such as chemical composition analysis,environmental safety monitoring and food safety monitoring,etc.This article briefly introduces the principles and development history of Raman scattering,as well as the main components of common Raman spectrometers and typical application scenarios.

关 键 词：拉曼光谱仪 色散系统 光栅 片上集成 分析化学 

分 类 号：TN247[电子电信—物理电子学]