High-Efficiency Second Harmonic Generation of a Pulsed Ti : Al2O3 Laser with β-BaB2O4 Crystal
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Abstract
Tunable blue radiation with a tuning range of 340-460nm has been generated using a β-BaB2O4 crystal for external frequency doubling of a ns-pulsed Ti : Al2O3 laser. By pumping the Ti: sapphire with 94mJ/pulse of energy from the second harmonic of a Q-switched Nd: YAG laser, as much as 5.4mJ/pulse at 390nm with a bandwidth of 0.02nm was obtained. This represents an infrared to blue conversion efficiency of 36% and a total conversion (from 532nm to blue) of 5.7%.
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LIU Xiang, DENG Daoqun, ZHANG Yufei, XU Zuyan. High-Efficiency Second Harmonic Generation of a Pulsed Ti : Al2O3 Laser with β-BaB2O4 Crystal[J]. Chin. Phys. Lett., 1994, 11(9): 551-553.
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LIU Xiang, DENG Daoqun, ZHANG Yufei, XU Zuyan. High-Efficiency Second Harmonic Generation of a Pulsed Ti : Al2O3 Laser with β-BaB2O4 Crystal[J]. Chin. Phys. Lett., 1994, 11(9): 551-553.
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LIU Xiang, DENG Daoqun, ZHANG Yufei, XU Zuyan. High-Efficiency Second Harmonic Generation of a Pulsed Ti : Al2O3 Laser with β-BaB2O4 Crystal[J]. Chin. Phys. Lett., 1994, 11(9): 551-553.
|
LIU Xiang, DENG Daoqun, ZHANG Yufei, XU Zuyan. High-Efficiency Second Harmonic Generation of a Pulsed Ti : Al2O3 Laser with β-BaB2O4 Crystal[J]. Chin. Phys. Lett., 1994, 11(9): 551-553.
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