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Optical Engineering

Measurement of the ultralow stray light in a double monochromator
Author(s): Jianping Yin; Shiqun Zhu; Weijian Gao; Zhaoming Pu
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Paper Abstract

A new method to measure ultralow stray light in a double monochromator is proposed. This method can not only omit the linear checking of photoelectric testing system in large-order scale and the transmittance calibration of the neutral density filter, and improve the measured accuracy, but can also realize the measurement of ultralow stray light of any order. Roughly speaking, the testing limit of stray light is limited only by the power of the incident laser. A measured limit of the order of 10-14 and a ratio of relative light intensity are obtained, and the relative measured error can be reduced below 5%.

Paper Details

Date Published: 1 October 1996
PDF: 7 pages
Opt. Eng. 35(10) doi: 10.1117/1.600986
Published in: Optical Engineering Volume 35, Issue 10
Show Author Affiliations
Jianping Yin, Suzhou Univ. (China)
Shiqun Zhu, Suzhou Univ. (China)
Weijian Gao, Suzhou Univ. (China)
Zhaoming Pu, Nanjing Medical Univ. (China)


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