4 January 2008 Design and characteristic test of the KDP crystal γ63 transversal modulator in optical communication
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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.
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Fei Chen, Fei Chen, Yanchun Wang, Yanchun Wang, Jing Jiang, Jing Jiang, } "Design and characteristic test of the KDP crystal γ63 transversal modulator in optical communication", Proc. SPIE 6832, Holography and Diffractive Optics III, 683219 (4 January 2008); doi: 10.1117/12.755457; https://doi.org/10.1117/12.755457
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