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Proceedings Paper

Enhanced laser performance through reduction of surface damage in Nd:YAG
Author(s): Cai-Lin Wang; Kelvin G. Lynn; S. Tebaldi; Marc H. Weber; Kirsten Shafer; Russell B. Tjossem; Tia T. Williams; John Dougherty
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Paper Abstract

We measured the resonator insertion losses, slope efficiencies and output power of six Nd doped Y3Al5O12 (YAG)laser crystals with and without chemical etching. It was found that chemical etching lowered the insertion losses and increased the slope efficiency. Point defects were investigated by positron annihilation spectroscopy (PAS). PAS depth profiles showed that the etching efficiently removed near surface atomic-scale defects. The results suggested that chemical etching is an effective means to improve lasing properties of Nd:YAG crystals, reduce the thermal loading and increase the strength.

Paper Details

Date Published: 17 June 2003
PDF: 8 pages
Proc. SPIE 4968, Solid State Lasers XII, (17 June 2003); doi: 10.1117/12.478954
Show Author Affiliations
Cai-Lin Wang, Washington State Univ. (United States)
Kelvin G. Lynn, Washington State Univ. (United States)
S. Tebaldi, Washington State Univ. (United States)
Marc H. Weber, Washington State Univ. (United States)
Kirsten Shafer, Washington State Univ. (United States)
Russell B. Tjossem, II-VI Inc. (United States)
Tia T. Williams, VLOC, Subsidiary of II-VI Inc. (United States)
John Dougherty, VLOC, Subsidiary of II-VI Inc. (United States)

Published in SPIE Proceedings Vol. 4968:
Solid State Lasers XII
Richard Scheps, Editor(s)

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