Optical properties of undoped and neodymium doped polycrystalline yttrium aluminum garnet

Charles J. Kraisinger; Wen-Qing Xu; Matthew J. Snyder

doi:10.1117/12.2519099

13 May 2019 Optical properties of undoped and neodymium doped polycrystalline yttrium aluminum garnet

Charles J. Kraisinger, Wen-Qing Xu, Matthew J. Snyder

Proceedings Volume 10985, Window and Dome Technologies and Materials XVI; 1098503 (2019) https://doi.org/10.1117/12.2519099
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Single crystal YAG doped with a rare earth element has been commercially available for six decades. Polycrystalline YAG of high quality, suitable for use as laser gain media or optical windows has been available since 2004, and only from a single vendor. II-VI Incorporated seeks to be the premier supplier of high quality polycrystalline Yttrium Aluminum Garnet for laser gain media and infrared windows here in the United States. We present recent optical property characterization of polycrystalline (ceramic) YAG synthesized by II-VI. Optical transmission (1064 nm) data, FTIR and UV-vis-NIR spectroscopy, and photothermal common-path interferometer (PCI) absorption data are presented. Mechanisms for absorption and scatter produced by residual pores and impurities are discussed. Ceramic YAG properties are compared with single crystal (boule grown) YAG.

Conference Presentation

Citation Download Citation

Charles J. Kraisinger, Wen-Qing Xu, and Matthew J. Snyder "Optical properties of undoped and neodymium doped polycrystalline yttrium aluminum garnet", Proc. SPIE 10985, Window and Dome Technologies and Materials XVI, 1098503 (13 May 2019); https://doi.org/10.1117/12.2519099

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