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Proceedings Paper

A design of optical resonator for donut mode generation
Author(s): Shu-Chun Chu
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Paper Abstract

A resonator to generate a single LGp=0[mathematical symbol 'ell'] =1 donut mode with high mode purity up to 99% is reported. The resonator consists of three lens elements and one binary phase element. With such high mode purity, the generated donut laser beam is applicable to a number of studies including trapping and rotating micro particles, non-linear optics, and atomlight interaction. The tolerance of the proposed configuration is discussed, as well methods of compensating for the thermal effects of laser materials while manipulating the resonator in a practical laser diode end-pumped solid state laser system.

Paper Details

Date Published: 12 September 2007
PDF: 11 pages
Proc. SPIE 6663, Laser Beam Shaping VIII, 66630Q (12 September 2007); doi: 10.1117/12.733947
Show Author Affiliations
Shu-Chun Chu, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6663:
Laser Beam Shaping VIII
Fred M. Dickey; David L. Shealy, Editor(s)

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