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Proceedings Paper

Yb:YAG planar waveguide lasers grown by pulsed laser deposition: 70% slope efficiencies at 16 W of output power
Author(s): Stephen J. Beecher; James A. Grant-Jacob; Tina L. Parsonage; Ping Hua; Jacob I. Mackenzie; Dave P. Shepherd; Robert W. Eason
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Paper Abstract

We present our recent advances in the use of pulsed laser deposition (PLD) to fabricate active gain elements for use as amplifiers and laser oscillators. Record output powers exceeding 16 W and slope efficiencies of 70% are reported for optimized epitaxial growth of Yb(7.5%):YAG on to YAG substrates. We show for the first time that the performance of PLD material can meet or even exceed that of materials grown by more established methods such as the Czochralski technique. Details of fabrication, characterization and laser performance are presented in addition to outlining expected future improvements.

Paper Details

Date Published: 16 March 2016
PDF: 8 pages
Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 97261Z (16 March 2016); doi: 10.1117/12.2220388
Show Author Affiliations
Stephen J. Beecher, Univ. of Southampton (United Kingdom)
James A. Grant-Jacob, Univ. of Southampton (United Kingdom)
Tina L. Parsonage, Univ. of Southampton (United Kingdom)
Ping Hua, Univ. of Southampton (United Kingdom)
Jacob I. Mackenzie, Univ. of Southampton (United Kingdom)
Dave P. Shepherd, Univ. of Southampton (United Kingdom)
Robert W. Eason, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 9726:
Solid State Lasers XXV: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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