Efficient cryogenic near-infrared Tm:YLF laser | Zendy

Christopher Aleshire | Zendy; Charles Yu | Zendy; Patricia A. Reed | Zendy; T. Y. Fan | Zendy

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Efficient cryogenic near-infrared Tm:YLF laser

Author(s) -

Christopher Aleshire,

Charles Yu,

Patricia A. Reed,

T. Y. Fan

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.013408

Subject(s) - zblan , materials science , lasing threshold , optics , laser , optoelectronics , fiber laser , infrared , wavelength , physics

Operation of a cw thulium laser emitting at 816 nm has been demonstrated in bulk Tm:YLF with 46% slope efficiency. Prior cw demonstrations of this transition have been limited to ZBLAN fiber hosts and prior lasing in bulk crystalline host material has been limited to quasi-cw operation due to population trapping. Trapping at the 3 F 4 level was mitigated by co-lasing at 1876 nm. The co-lasing technique should be applicable to room-temperature operation and to power scaling of YLF and other crystal hosts.

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