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Proceedings Article

Record performance from a passively Q-switched Yb:Er:YVO4 laser

[+] Author Affiliations
Yuen H. Tsang, Colin J. Mercer, David J. Binks

The Univ. of Manchester (United Kingdom)

Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69980U (April 16, 2008); doi:10.1117/12.781245
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From Conference Volume 6998

  • Solid State Lasers and Amplifiers III
  • Jonathan A. Terry; Thomas Graf; Helena Jelínková
  • Strasbourg, France | April 07, 2008

abstract

Various lengths of Yb:Er:YVO4 were end pumped by a quasi-continuous wave 967 nm diode laser. The best slope efficiency with respect to absorbed pump power for gain switched operation was 8 % for a 5 mm long crystal. Co:MgAl2O4 saturable absorbers of 98 % and 93 % initial transmission were used to passively Q-switch the cavity. For the 98 % initial transmission absorber, average pulses energies of 44 µJ were measured. The average pulse width and repetition rate were ~256 ns and 36 kHz, respectively. For the 93% initial transmission absorber, a single output pulse of 37 µJ energy and 22 ns duration per pump pulse was measured when the crystal was pumped for a pumping duration of 1.7 ms.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yuen H. Tsang ; Colin J. Mercer and David J. Binks
"Record performance from a passively Q-switched Yb:Er:YVO4 laser", Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69980U (April 16, 2008); doi:10.1117/12.781245; http://dx.doi.org/10.1117/12.781245


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