黄龙平,林慧,胡立坤.微型光谱仪数据采集系统设计与标定[J].电测与仪表,2023,60(9):177-182. huang longping,Lin hui,hu likun.Design and calibration of miniature spectrometer based on linear array CMOS[J].Electrical Measurement & Instrumentation,2023,60(9):177-182.
微型光谱仪数据采集系统设计与标定
Design and calibration of miniature spectrometer based on linear array CMOS
Aiming at the current use of CCD as a miniature spectrometer for photoelectric detection, this article introduces a miniature spectrometer designed using a high-performance linear CMOS image sensor S11639-01 from Hamamatsu Corporation. The system hardware circuit has a compact structure, high data acquisition resolution, and real-time transmission. The optical path system structure of the spectrometer consists of an entrance slit, a flat-field concave grating, and a linear array CMOS detector. The structure is relatively simple, which is conducive to the miniaturization of the spectrometer. The spectrometer was tested by using the American Ocean Optics Standard Low-pressure Mercury Lamp and Tungsten Halogen Lamp. The experimental data is processed by wavelength calibration and automatic peak-spectrum technology, and the system's spectral response range is 220 nm-950 nm. Below 0.05 nm, the minimum resolution of the system is 1.153 nm, and the linearity is above 99.898%.
