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Nd:GdVO4 slab laser with line-shaped end-pumping profile operating at 912 nm

  • Solid State and Liquid Lasers
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Laser Physics

Abstract

A continuous-wave laser with line-shaped end-pumping profile operating at 912 nm is presented. The maximum output power of 7.82 W is obtained, with a slop efficiency of 24.7% and beam quality factors of M 2 x ∼ 20, M 2 y ∼ 1.3. To the best of our knowledge, this is the first laser diode bar directly pumped Nd:GdVO4 slab laser based on the quasi-three-level 4 F 3/2 → 4 F 9/2 transition in neodymium. Furthermore, we disclose that the experimental setups can be improved by inserting a plano-concave cylindrical lens in the cavity to form a new quasi-concentric resonator to improve die mode-matching in x-direction.

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Authors and Affiliations

  1. State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing, 100084, China

    H. Hong, Q. Liu, H. Liu, X. Fu & M. Gong

Authors
  1. H. Hong
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  2. Q. Liu
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  3. H. Liu
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  4. X. Fu
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  5. M. Gong
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Correspondence to M. Gong.

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Original Text © Astro, Ltd., 2011.

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Hong, H., Liu, Q., Liu, H. et al. Nd:GdVO4 slab laser with line-shaped end-pumping profile operating at 912 nm. Laser Phys. 21, 855–860 (2011). https://doi.org/10.1134/S1054660X1109012X

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  • DOI: https://doi.org/10.1134/S1054660X1109012X

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