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Proceedings Paper

Angle amplifier based on multiplexed volume holographic gratings
Author(s): Liangcai Cao; Yifei Zhao; Qingsheng He; Guofan Jin
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Paper Abstract

Angle amplifier of laser beam scanner is a widely used device in optical systems. Volume holographic optical elements can be applied in the angle amplifier. Compared with the traditional angle amplifier, it has the advantages of high angle resolution, high diffraction efficiency, small size, and high angle magnification and flexible design. Bragg anglewavelength- compensating recording method is introduced. Because of the Bragg compensatory relation between angle and wavelength, this device could be recorded at another wavelength. The design of the angle amplifier recording at the wavelength of 514.2nm for the working wavelength of 632.8nm is described. An optical setup for recording the angle amplifier device is designed and discussed. Experimental results in the photorefractive crystal Fe:LiNbO3 demonstrate the feasibility of the angle amplifier scheme.

Paper Details

Date Published: 4 January 2008
PDF: 6 pages
Proc. SPIE 6832, Holography and Diffractive Optics III, 683216 (4 January 2008); doi: 10.1117/12.760261
Show Author Affiliations
Liangcai Cao, Tsinghua Univ. (China)
Yifei Zhao, Tsinghua Univ. (China)
Qingsheng He, Tsinghua Univ. (China)
Guofan Jin, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 6832:
Holography and Diffractive Optics III
Yunlong Sheng; Dahsiung Hsu; Chongxiu Yu, Editor(s)

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