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  • Received: Jan. 11, 2007

    Accepted: --

    Posted: Jun. 27, 2007

    Published Online: Jun. 27, 2007

    The Author Email: Xiaoming He (hexiaoming@siom.ac.cn)

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    Xiaoming He, Guangjun Zhao, Xiaodong Xu, Xionghui Zeng, Jun Xu. Comparison of spectroscopic properties of Yb:YAP and Yb:YAG crystals[J]. Chinese Optics Letters, 2007, 5(5): 295

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Chinese Optics Letters, Vol. 5, Issue 5, 295 (2007)

Comparison of spectroscopic properties of Yb:YAP and Yb:YAG crystals

Xiaoming He*, Guangjun Zhao, Xiaodong Xu, Xionghui Zeng, and Jun Xu

Author Affiliations

  • Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

Abstract

The Yb:YAG and Yb:YAP crystals have been grown by Czochralski method. The absorption spectra and the fluorescence spectra of Yb:YAG and Yb:YAP crystals have been investigated. It is shown that the Yb:YAG crystal has better laser properties and smaller threshold power than Yb:YAP crystal. In addition, the absorption cross-section of the Yb:YAP crystal is 2.16 times of that of the Yb:YAG crystal, so laser diode pumped Yb:YAG lasing can be easily realized. Because YAP single crystal is anisotropic, it is provided with polarization characteristics.

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