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

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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-µm Er:Yb:glass laser. We obtained Q-switched pulses with 110-ns duration and 0.2-mJ energy. The saturation intensity at 1.54 µm was estimated to be ∼60 kW/cm2.

© 2000 Optical Society of America

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