Open AccessSimulations of thermal lensing of a Ti:Sapphire crystal end-pumped with high average power
Author(s) -
Gerd Wagner,
Max Shiler,
Volker Wulfmeyer
Publication year - 2005
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.13.008045
Subject(s) - optics , materials science , sapphire , laser , crystal (programming language) , resonator , thermal conductivity , anisotropy , thermal , lens (geology) , brewster's angle , focal length , optoelectronics , physics , brewster , meteorology , computer science , composite material , programming language
A detailed 3-dimensional calculation of the temperature field of a laser crystal pumped with high average power is presented. The pump configuration, the anisotropy of a Brewster-angle-cut Ti:Sapphire crystal, and the temperature dependence of the thermal conductivity are taken into account. The corresponding focal length of the thermal lens is calculated for pump levels up to 100 W. This refined thermal model is the basis for a optimized resonator design of a high-average power differential absorption lidar system transmitter.