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Proceedings Paper

Applications of InGaAs near-infrared linear scanning camera in solar cell inspection
Author(s): Cheng Fei; Yongfu Li; Daming Chen; Benya Yang; Tingfa Zhang; Shuzhen Fan; Jiaxiong Fang
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Paper Abstract

An InGaAs near-infrared linear scanning camera was developed based on the InGaAs near-infrared linear detector array, it has a resolution of 256×1 and an adjustable exposure time from 20 μs to 2 ms. The electroluminescence (EL) and photoluminescence (PL) of different kinds of solar cells were observed by the InGaAs near-infrared linear scanning camera and the common used Si-CCD linear scanning camera, and the inspection results of these two cameras were compared. The results show that the InGaAs near-infrared linear scanning camera can obtain a clear image with an exposure time of 2 ms, much faster than the common used Si-CCD linear scanning camera can. Therefore, the InGaAs near-infrared linear scanning camera has the advantage of high efficiency in solar cell inspection.

Paper Details

Date Published: 12 December 2018
PDF: 6 pages
Proc. SPIE 10846, Optical Sensing and Imaging Technologies and Applications, 1084613 (12 December 2018); doi: 10.1117/12.2504337
Show Author Affiliations
Cheng Fei, Shandong Univ. (China)
Yongfu Li, Shandong Univ. (China)
Daming Chen, Shandong Univ. (China)
Benya Yang, Shandong Univ. (China)
Tingfa Zhang, Shandong Univ. (China)
Shuzhen Fan, Shandong Univ. (China)
Jiaxiong Fang, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 10846:
Optical Sensing and Imaging Technologies and Applications
Mircea Guina; Haimei Gong; Jin Lu; Dong Liu, Editor(s)

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