Development of Micro-Spectrometer Based on Linear CCD Chip

Abstract

Abstract:

In order to meet the practical industry application requirement of environmental pollution test and facilitate the integration of system and reduce the cost, a micro-spectrometer based on linear CCD array is developed. The design of optical and electronics is introduced. A Czerny-Turner optical structure and linear CCD as light detection device are used in the system. In the electronics design, an efficient and flexible data acquisition is achieved by combining intelligent control of microcontroller and accurate timing, programmable of complex programmable logic device. The performance test of micro spectrometer shows that its spectral coverage is between 350 nm and 780 nm, its spectral resolution comes to 0.6 nm and the signal to noise ratio is close to 500.

Key words: micro-spectrometer, linear CCD, complex programmable logic device, microcontroller, data acquisition

CLC Number:

TP274

WANG Wei-Lan, TAN Tu, WANG Lei, GAO Xiao-Ming. Development of Micro-Spectrometer Based on Linear CCD Chip[J]. Journal of Atmospheric and Environmental Optics, 2011, 6(4): 299-304.

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Development of Micro-Spectrometer Based on Linear CCD Chip

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