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Proceedings Paper

Research of the beam steering theory in isotropic acousto-optic device
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Paper Abstract

In this paper the beam steering theory in isotropic acousto-optic (AO) device is studied. In the process to design an AO deflector, it is important that the device has wider 3db Bragg bandwidth and uniform diffraction efficiency in frequency band. According to the theory about isotropic AO interaction, we can obtain wider 3db bandwidth by using technology of ultrasonic beam steering. It means, the momentum match condition can be satisfied at two track frequencies. The author gains the optimum track frequencies for various numbers of transducer pieces in plane and step configurations respectively. Based upon this argument, farther on, the optimum design parameter of the isotropic AO deflector is also shown up.

Paper Details

Date Published: 10 February 2005
PDF: 6 pages
Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005);
Show Author Affiliations
Zhaoguang Pang, Beijing Univ. of Technology (China)
Kuanxin Yu, Beijing Univ. of Technology (China)

Published in SPIE Proceedings Vol. 5638:
Optical Design and Testing II
Yongtian Wang; Zhicheng Weng; Shenghua Ye; Jose M. Sasian, Editor(s)

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