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Glass doped with PbS quantum dots for passive Q switching of a 1.54-mu m laser

Malyarevich, A M and Denisov, I A and Savitski, Vasili and Yumashev, K V and Lipovskii, A A (2000) Glass doped with PbS quantum dots for passive Q switching of a 1.54-mu m laser. Applied Optics, 39 (24). pp. 4345-4347. ISSN 1559-128X

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Abstract

By using a PbS-doped phosphate glass as an intracavity saturable absorber, we achieved passive Q switching of a 1.54-mu m Er:Yb:glass laser. We obtained Q-switched pulses with 110-ns duration and 0.2-mJ energy. The saturation intensity at 1.54 mu m was estimated to be similar to 60 kW/cm(2).