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Diode-pumped single longitudinal mode lasing of Tm,Ho:YLF microchip laser

  • Solid State and Liquid Lasers
  • Published:
Laser Physics

Abstract

Short resonant cavity which owns broad free spectral range is useful to select single-frequency. We take Tm,Ho:YLF (Tm 6%; Ho 0.4%) microchip pumped by diode laser to attain high efficiency single-longitudinal-mode laser. Both end faces are coated. The microchip is the oscillate cavity itself. It’s placed in the Dewar flask, which is filled with liquid nitrogen to keep the temperature at 77 K. Comparison of the laser characteristics between a 0.9 mm microchip and a 0.5 mm microchip were expressed in this report. The maximum single-longitudinal-mode power are 33 and 76 mW, corresponding the slope efficiency of both lasers are 12 and 37%, separately. The beam quality is about 1.06 and 6.8 for 0.9 mm microchip and 0.5 mm microchip, measured by the knife-edge method.

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Authors and Affiliations

  1. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, 150001, China

    Z. G. Wang, Y. L. Ju, C. T. Wu, C. W. Song, Q. Wang, J. Q. Zhao & Y. Z. Wang

  2. College of Science, Harbin Engineering University, Harbin, 150001, China

    J. Q. Zhao

Authors
  1. Z. G. Wang
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  2. Y. L. Ju
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  3. C. T. Wu
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  4. C. W. Song
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  5. Q. Wang
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  6. J. Q. Zhao
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  7. Y. Z. Wang
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Original Russian Text © Astro, Ltd., 2010.

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Wang, Z.G., Ju, Y.L., Wu, C.T. et al. Diode-pumped single longitudinal mode lasing of Tm,Ho:YLF microchip laser. Laser Phys. 20, 462–465 (2010). https://doi.org/10.1134/S1054660X10030205

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  • DOI: https://doi.org/10.1134/S1054660X10030205

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