Spectrum detection system

Abstract

A spectrum detection system includes a sample cell, a slit, a disperser, and an area array detector. Laser light from a sample passes through the slit, the disperser, and the area array detector in sequence. The disperser is configured to diffract and disperse light at different wavelengths. The present application greatly improves the excitation and signal detection capabilities for the sample by adopting a line-excitation and line-collection method by utilizing line transmission characteristics of the laser light and weak absorption and scattering characteristics of the laser light by gases and liquids, and utilizing slit imaging characteristics of an imaging spectrometer.

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