STUDY ON PERIODICALLY POLED CHARACTERISTICS OF MgO:LiNbO_3 AND SECOND HARMONIC GREEN LIGHT GENERATION
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Abstract:
The periodically poled characteristics of LiNbO_3 doped 5mol% MgO were investigated and the domain reversal field was found to be 3kV/mm. According to the influence of MgO doped on the crystal defect, the decrease reason of the domain reversal field was explained. By using short-pulse field, the periodically poled grating was successfully fabricated in 1.0mm thick MgO:LiNbO_3. Second harmonic green light generation in periodically poled MgO:LiNbO_3 was demonstrated. The green light power of 3.5mW at 532nm is obtained when the fundamental power is 75mW, and the conversion efficiency is 4.6%.
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YAN Bo-Xia, YAO Jiang-Hong, CHEN Ya-Hui, XU Jing-Jun, ZHANG Guang-Yin . STUDY ON PERIODICALLY POLED CHARACTERISTICS OF MgO:LiNbO_3 AND SECOND HARMONIC GREEN LIGHT GENERATION[J]. Journal of Infrared and Millimeter Waves,2005,24(3):213~216