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Proceedings Paper

Design of a compact multichannel spectrophotometer using a holographic concave grating as dispersive element
Author(s): Jiwu Chen; Wei Wang; Zhineng Li
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Paper Abstract

This paper presents design of a multichannel spectrophotometer, which uses a holographic concave grating as dispersive element. The flat spectral field of the grating generates the integration of collimation, disperse and convergence. Meanwhile, a CCD with 2048 pixels is placed on the spectral plane as a multichannel photodetectors so that the system can eliminate mechanical scanning. Due to the features of those elements and design procedure, the spectrophotometer shows more advantages that the structure of the new typed spectrometer becomes smaller, its stability, reproducibility and the rate of measurement have been much more increased.

Paper Details

Date Published: 5 October 2000
PDF: 5 pages
Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); doi: 10.1117/12.401789
Show Author Affiliations
Jiwu Chen, China Institute of Metrology (Hong Kong)
Wei Wang, China Institute of Metrology (China)
Zhineng Li, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 4223:
Instruments for Optics and Optoelectronic Inspection and Control
Guang Hui Wei; Sheng Liu, Editor(s)

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