Laser diode beam shaping using holographic grating recorded by an additional orthogonally-polarizing beam

Duc Dung Do; Nam Kim; Sang Keun Gil; Seok Hee Jeon; Kwon Yeon Lee

doi:10.1117/12.616404

30 August 2005 Laser diode beam shaping using holographic grating recorded by an additional orthogonally-polarizing beam

Duc Dung Do, Nam Kim, Sang Keun Gil, Seok Hee Jeon, Kwon Yeon Lee

Author Affiliations +

Proceedings Volume 5876, Laser Beam Shaping VI; 587615 (2005) https://doi.org/10.1117/12.616404
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Duc Dung Do, Nam Kim, Sang Keun Gil, Seok Hee Jeon, and Kwon Yeon Lee "Laser diode beam shaping using holographic grating recorded by an additional orthogonally-polarizing beam", Proc. SPIE 5876, Laser Beam Shaping VI, 587615 (30 August 2005); https://doi.org/10.1117/12.616404

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