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Proceedings Paper

Laser diode beam shaping using holographic grating recorded by an additional orthogonally-polarizing beam
Author(s): Duc Dung Do; Nam Kim; Sang Keun Gil; Seok Hee Jeon; Kwon Yeon Lee
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Paper Abstract

In this paper, we propose a method to fabricate the grating for a laser diode shaper. During the grating recording, a beam that has polarization mode orthogonal to those of two recording beams is added. The intensity of the additional beam is controlled by a spatial light modulator to provide the spatial variation of intensity modulation, which leads to the difference of the saturation diffraction efficiency. As the results of the experiment, the laser beam shaped by the obtained grating has Gaussian desired profile intensity and is not aberration along the propagation.

Paper Details

Date Published: 30 August 2005
PDF: 9 pages
Proc. SPIE 5876, Laser Beam Shaping VI, 587615 (30 August 2005); doi: 10.1117/12.616404
Show Author Affiliations
Duc Dung Do, Chungbuk National Univ. (South Korea)
Nam Kim, Chungbuk National Univ. (South Korea)
Sang Keun Gil, Suwon National Univ. (South Korea)
Seok Hee Jeon, Incheon Univ. (South Korea)
Kwon Yeon Lee, Sunchon National Univ. (South Korea)


Published in SPIE Proceedings Vol. 5876:
Laser Beam Shaping VI
Fred M. Dickey; David L. Shealy, Editor(s)

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