Yan C S, Chen Y W, Yang H M, Ahokas E
Library, Zhejiang University, Hangzhou 310058, China.
State Key Laboratory of Modern Optical Instrumentation, Hangzhou 310058, China.
Rev Sci Instrum. 2023 Aug 1;94(8). doi: 10.1063/5.0138963.
Scientists are increasingly relying on astronomical and remote sensing technologies to gain deeper insights into the Earth and the universe. In these fields, the optical spectrum analyzer (OSA) or spectrometer plays a pivotal role. This Review offers a comprehensive overview of the fundamental principles, key parameters, and applications of various branches of traditional OSAs, including prisms, gratings, interferometers, tunable filters, and reconstructive spectrometers. We specifically focus on their latest major applications in astronomy and remote sensing. Additionally, we present a mathematical model of the generalized reconstructive spectrometer and provide a summary of its principles pertaining to spectral mapping, reconstruction, and imaging. Despite its limited aperture and étendue, the reconstructive spectrometer holds great potential for future use in astronomy and remote sensing due to its compact size and exceptional ultrahigh spectral resolution.
科学家们越来越依赖天文和遥感技术来更深入地了解地球和宇宙。在这些领域，光谱分析仪（OSA）或光谱仪起着关键作用。本综述全面概述了传统光谱分析仪各分支的基本原理、关键参数和应用，包括棱镜、光栅、干涉仪、可调谐滤波器和重构光谱仪。我们特别关注它们在天文学和遥感中的最新主要应用。此外，我们提出了广义重构光谱仪的数学模型，并总结了其与光谱映射、重构和成像相关的原理。尽管重构光谱仪的孔径和扩展量有限，但由于其紧凑的尺寸和出色的超高光谱分辨率，在未来天文学和遥感应用中具有巨大潜力。
