Injection mode-locked, Q-switched Nd:YAG laser at 1319 nm

Simakov, Nikita, Hosken, David J., Hamilton, Murray W., Munch, Jesper and Veitch, Peter J. (2010) Injection mode-locked, Q-switched Nd:YAG laser at 1319 nm. IEEE Journal of Quantum Electronics, 46 (7), 1086-1090. (doi:10.1109/JQE.2010.2043501).

Abstract

There is currently no laser source that can provide both efficient excitation of mesospheric sodium and allow removal of the effects of guide-star elongation, as required for multi-conjugate adaptive optics in next-generation extremely large telescopes. We describe a Q-switched 1319 nm Nd:YAG laser that is mode-locked by injecting a short pulse into the Q-switched laser. It produces Q-switched mode-locked pulses that are synchronized to an external source. We also discuss how such pulses at 1064 nm and 1319 nm can be used to generate pulsed sodium-resonant guide stars via sum frequency generation, and thus satisfy the above requirements.

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Contributors

University divisions

• Faculties (pre 2018 reorg) > Faculty of Physical Sciences and Engineering (pre 2018 reorg) > Optoelectronics Research Centre (pre 2018 reorg)
  Current Faculties > Faculty of Engineering and Physical Sciences > Zepler Institute for Photonics and Nanoelectronics > Optoelectronics Research Centre (pre 2018 reorg)
  Zepler Institute for Photonics and Nanoelectronics > Optoelectronics Research Centre (pre 2018 reorg)

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