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Rapid measurement of spatial light distribution of a short-arc xenon flash lamp
Author(s) -
Yanpu Zhao,
Guo Dexia,
Xiao Liu,
Lingli Wang,
Nan Jiang,
Xianquan Wang
Publication year - 2016
Publication title -
applied optics
Language(s) - English
Resource type - Journals
ISSN - 0003-6935
DOI - 10.1364/ao.55.006596
Subject(s) - optics , xenon , arc lamp , flash (photography) , flash lamp , stray light , materials science , physics , atomic physics
Small short-arc xenon flash lamps, yielding high energy and ultraviolet radiation without cooling structures, provide ideal analytic-instrument light. Improving instrument designs requires accurately determining spatial optical-flux distribution. Thus, this paper presents rapid scanning of a xenon lamp's central light intensity using a high-sensitivity photodiode to capture short light pulses. Results show two-dimensional optical illumination patterns. In the horizontal mode, the anode and cathode lie in the target plane. In the vertical mode, the two electrodes are centered in a circle. Thus, because the xenon lamp's spatial light flux varies by orientation and main driving voltage, we recommend sampling light horizontally in front of the lamp across small angles.

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