Investigation of intracavity third-harmonic generation at 1.06 μm in YCa4O(BO3)3 crystals |
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| Authors: | C Du Z Wang J Liu X Xu K Fu G Xu J Wang Z Shao |
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| Institution: | (1) State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China, CN |
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| Abstract: | Intracavity sum-frequency mixing of 1.06 μm and 532 nm in YCa4O(BO3)3 (YCOB) crystals cut for different type-I phase-matching directions of (θ,ϕ)=(106°,77.2°), (111°, 79.6°) and (65°, 82.8°)
was investigated in a compact diode-end-pumped acousto-optical Q-switched Nd:YVO4/KTP laser formed with a three-mirror folded resonator. The maximum 355-nm average output power of 124 mW was obtained in
the phase-matching direction of (106°, 77.2°) with a pump-to-ultraviolet conversion efficiency of 3.3% at the repetition frequency
of 20 kHz.
Received: 17 September 2001 / Revised version: 27 November 2001 / Published online: 17 January 2002 |
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| Keywords: | PACS: 42 65 Ky 42 55 Rz |
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