Laser properties of an improved average-power Nd-doped phosphate glass

Stephen A. Payne; Christopher D. Marshall; Andy J. Bayramian; Gary D. Wilke; Joseph S. Hayden

doi:10.1117/12.190936

21 October 1994 Laser properties of an improved average-power Nd-doped phosphate glass

Stephen A. Payne, Christopher D. Marshall, Andy J. Bayramian, Gary D. Wilke, Joseph S. Hayden

Proceedings Volume 2287, Properties and Characteristics of Optical Glass III; (1994) https://doi.org/10.1117/12.190936
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The Nd-doped phosphate laser glass described herein can withstand 2.3 times greater thermal loading without fracture, compared to APG-1 (commercially available average-power glass from Schott Glass Technologies). The enhanced thermal loading capability is established on the basis of the intrinsic thermomechanical properties (expansion, conduction, fracture toughness, and Young's modulus), and by direct thermally induced fracture experiments using Ar-ion laser heating of the samples. This Nd-doped phosphate glass (referred to as APG-t) is found to be characterized by a 29% gain cross section and a 25% longer low-concentration emission lifetime.

Citation Download Citation

Stephen A. Payne, Christopher D. Marshall, Andy J. Bayramian, Gary D. Wilke, and Joseph S. Hayden "Laser properties of an improved average-power Nd-doped phosphate glass", Proc. SPIE 2287, Properties and Characteristics of Optical Glass III, (21 October 1994); https://doi.org/10.1117/12.190936

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