1994•Applied Physics LettersRequires access

Ho:YLiF4 saturable absorber Q-switch for the 2-μm Tm,Cr:Y3Al5O12 laser

Yen‐Kuang Kuo, Milton Birnbaum, Wei Chen

Abstract

Passive Q-switching of the flashlamp pumped Tm,Cr:Y3Al5O12 2-μm laser with a Ho:YLiF4 saturable absorber has been demonstrated at room temperature. A single Q-switched laser pulse of 11 mJ in energy and ∼45 ns in duration at 80 J flashlamp input energy was obtained. The wavelength of the Q-switched laser output pulse and the Tm,Cr:Y3Al5O12 free-running output was 2.017 μm.

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Key concepts: Saturable absorption, Q-switching, Laser, Materials science, Pulse duration, Wavelength, Pulse (music), Optics