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Proceedings Paper

Design and characteristic test of the KDP crystal gamma63 transversal modulator in optical communication
Author(s): Fei Chen; Yanchun Wang; Jing Jiang
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Paper Abstract

According to the theory of electric-optical effects to design the slice pattern, size and the appropriate combination of chip, the γ63-transversal electric-optical modulator (pockells box) of KDP crystal is designed in the article. The high semiwave voltage of KDP crystal (~8000V) will be decreased to several hundred voltages which can be used in practical application and the temperature stability of this electric-optical modulator is improved. The experimental result shows that the signal transfered by laser is not affected with the changing of the working temperature of this electric-optical modulato. While the He-Ne laser (λ=0.6328μm)is used to the communication, the semi-wave voltage will be reduced to 687.5V practically and the coefficient of eletric-optical is γ63=11.98×10-12m/V. It is consistent with the theoretical value.

Paper Details

Date Published: 4 January 2008
PDF: 5 pages
Proc. SPIE 6832, Holography and Diffractive Optics III, 683219 (4 January 2008); doi: 10.1117/12.755457
Show Author Affiliations
Fei Chen, Beijing Univ. of Posts and Telecommunications (China)
Yanchun Wang, Changchun Univ. of Science and Technology (China)
Jing Jiang, Changchun Univ. of Science and Technology (China)

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

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