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Investigation of intracavity third-harmonic generation at 1.06 μm in YCa4O(BO3)3 crystals

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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.

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Authors and Affiliations

  1. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China, , , , , , CN

    C. Du, Z. Wang, J. Liu, X. Xu, K. Fu, G. Xu, J. Wang & Z. Shao

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  1. C. Du
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  2. Z. Wang
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  3. J. Liu
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  4. X. Xu
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  5. K. Fu
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  6. G. Xu
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  7. J. Wang
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  8. Z. Shao
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Received: 17 September 2001 / Revised version: 27 November 2001 / Published online: 17 January 2002

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Du, C., Wang, Z., Liu, J. et al. Investigation of intracavity third-harmonic generation at 1.06 μm in YCa4O(BO3)3 crystals . Appl Phys B 74, 125–127 (2002). https://doi.org/10.1007/s003400100788

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  • DOI: https://doi.org/10.1007/s003400100788

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