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27 September 2019 Surface behavior in potassium titanyl phosphate crystal irradiated by swift Kr8+ ions
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Abstract

Potassium titanyl phosphate (KTiOPO4, KTP) possesses superior properties in several optical applications. A KTP crystal is irradiated by swift Kr8  +   ions with high energies and low fluences. The stopping and range of ions in matter code is used to simulate the energy deposition process of swift Kr8  +   ions in the irradiated crystal. The electronic and nuclear stopping power profiles of swift Kr8  +   ions irradiated on the KTP crystal are simulated, and the micro-Raman spectrum of the irradiated layer at different depths is measured by a confocal micro-Raman system. The results show that the high electronic energy loss can cause lattice damage along the ion trajectory, whereas the nuclear energy loss causes damage at the end of the ion track. The optical transmission properties of the irradiated KTP crystal are researched at visible and near-infrared bands.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Tao Liu, Weijin Kong, and Chao Liu "Surface behavior in potassium titanyl phosphate crystal irradiated by swift Kr8+ ions," Optical Engineering 58(9), 096110 (27 September 2019). https://doi.org/10.1117/1.OE.58.9.096110
Received: 21 July 2019; Accepted: 6 September 2019; Published: 27 September 2019
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