Efficient cryo-cooled 2.7-μm Er3+:Y2O3 ceramic laser with direct diode pumping of the upper laser level

Reported here is the first cryogenically‐cooled performance of Er3+‐doped Y2O3 laser based on 4I11/2 → 4I13/2 transitions. Laser material was diode‐pumped directly into an upper laser manifold 4I11/2 in order to minimize quantum defect of this Mid‐IR laser. CW output power of over 1.6 W at ∼2.7 μm w...

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Published in:Laser physics letters 2010-08, Vol.7 (8), p.569-572
Main Authors: Sanamyan, T., Simmons, J., Dubinskii, M.
Format: Article
Language:English
Subjects:
Diode-pumped lasers
Er-doped crystal
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser materials
Lasers
low phonon laser host
multiphonon nonradiative decay
Optical materials
Optics
Physics
sesquioxide laser ceramic
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creator Sanamyan, T.
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Dubinskii, M.
description Reported here is the first cryogenically‐cooled performance of Er3+‐doped Y2O3 laser based on 4I11/2 → 4I13/2 transitions. Laser material was diode‐pumped directly into an upper laser manifold 4I11/2 in order to minimize quantum defect of this Mid‐IR laser. CW output power of over 1.6 W at ∼2.7 μm was achieved with the 27.5% slope efficiency, which is approaching the quantum defect‐limited efficiency value despite the marginal optical quality of the available laser sample. (© 2010 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
doi_str_mv 10.1002/lapl.201010031
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source Institute of Physics
subjects Diode-pumped lasers
Er-doped crystal
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser materials
Lasers
low phonon laser host
multiphonon nonradiative decay
Optical materials
Optics
Physics
sesquioxide laser ceramic
title Efficient cryo-cooled 2.7-μm Er3+:Y2O3 ceramic laser with direct diode pumping of the upper laser level
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