Fast detection method for AOTF infrared spectrometer

Yu Wu; Xiaowen Chen; Xiage Qin; Zhiping He

doi:10.1117/12.2199530

15 October 2015 Fast detection method for AOTF infrared spectrometer

Yu Wu, Xiaowen Chen, Xiage Qin, Zhiping He

Proceedings Volume 9674, AOPC 2015: Optical and Optoelectronic Sensing and Imaging Technology; 96741K (2015) https://doi.org/10.1117/12.2199530
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

Recently, AOTF infrared spectrometer attracts more and more attention, and the speed of obtaining spectrum curve depends on not only the number of spectral sampling point, but also the spectral sampling rate. This paper introduces a circuit design method, in which a precision low noise amplified circuit has been used. Compared with the traditional lock-in circuit, this method has an advantage of fast sampling speed, which could be up to 10us orders of magnitude in theory. The experiment was done according to the above theory. The result shows that sampling speed could reach 10²us magnitudes.

Citation Download Citation

Yu Wu, Xiaowen Chen, Xiage Qin, and Zhiping He "Fast detection method for AOTF infrared spectrometer", Proc. SPIE 9674, AOPC 2015: Optical and Optoelectronic Sensing and Imaging Technology, 96741K (15 October 2015); https://doi.org/10.1117/12.2199530

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