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Efficient and compact intracavity-frequency-doubled Nd:GdVO4/KTP laser end-pumped by a fiber-coupled laser diode

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Abstract.

A compact and efficient diode-pumped intracavity-frequency-doubled Nd:GdVO4/KTP green laser is demonstrated with a flat–flat cavity design. With a 1.3 at. % Nd3+-doped GdVO4 crystal and pumped at the weak-absorption peak of 806 nm, the second-harmonic output power at 532 nm was measured to be 1.95 W at an incident pump power of 8.4 W, corresponding to an optical conversion efficiency of 23.2%. The output characteristic at the fundamental wavelength of 1.063 μm was investigated with two different pump wavelengths. More than 4.5-W output power was generated when the laser was pumped at 806.2 nm.

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Authors and Affiliations

  1. Division of Microelectronics, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, , , , , , SG

    D.Y. Shen, H.R. Yang, J.G. Liu, S.C. Tam, Y.L. Lam, W.J. Xie & J.H. Gu

  2. Institute for Laser Science, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan, , , , , , JP

    K. Ueda

Authors
  1. D.Y. Shen
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  2. H.R. Yang
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  3. J.G. Liu
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  4. S.C. Tam
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  5. Y.L. Lam
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  6. W.J. Xie
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  7. J.H. Gu
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  8. K. Ueda
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Received: 26 July 2000 / Revised version: 18 September 2000 / Published online: 7 February 2001

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Shen, D., Yang, H., Liu, J. et al. Efficient and compact intracavity-frequency-doubled Nd:GdVO4/KTP laser end-pumped by a fiber-coupled laser diode . Appl Phys B 72, 263–266 (2001). https://doi.org/10.1007/s003400100498

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  • DOI: https://doi.org/10.1007/s003400100498

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