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Proceedings Paper

Interferometry measurement of laser-induced plasma density and improvement
Author(s): Bangke Zheng; Paul Choon Keat Lee
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Paper Abstract

In interferometry measurement of density of plasma induced by pulsed laser, the external triggering signals are used to trigger flash lamp and Q-switch of main laser (Nd:YAG) and probing laser (N2 dye laser), in order to eliminate the jitter, a pre-delay unit and two delay units are used to get the delayed triggering signals for Q-switch of main laser and probing laser respectively, another innovative design is to replace the wollaston prism with a biprism, so that the polarizer and analyzer can be exempted, the loss of probing light can be lessened, and image of higher resolution can be achieved.

Paper Details

Date Published: 7 March 2006
PDF: 8 pages
Proc. SPIE 4101, Laser Interferometry X: Techniques and Analysis, (7 March 2006); doi: 10.1117/12.498427
Show Author Affiliations
Bangke Zheng, Nanyang Technological Univ. (Singapore)
Paul Choon Keat Lee, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 4101:
Laser Interferometry X: Techniques and Analysis
Gordon M. Brown; Malgorzata Kujawinska; Werner P. O. Jueptner; Ryszard J. Pryputniewicz; Ryszard J. Pryputniewicz; Mitsuo Takeda, Editor(s)

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