Title :
Simultaneous compensation of birefringence and thermal lensing effect in a high average power Nd:YAG amplifier
Author :
Bhushan, Ravi ; Tsubakimoto, Koji ; Yoshida, Hidetsugu ; Fujita, Hisanori ; Nakatsuka, Masahiro
Author_Institution :
Inst. of Laser Eng., Osaka Univ., Osaka
Abstract :
Thermally induced birefringence and thermal lensing in Nd:YAG rod amplifier was compensated by a 90deg rotator with three sets of imaging optics. Experimentally, 2.8% single pass birefringence loss was achieved and a nearly diffraction limited amplified output was observed.
Keywords :
birefringence; laser beams; neodymium; solid lasers; thermal lensing; 90deg rotator; YAG:Nd; birefringence compensation; diffraction limited amplified output; imaging optics; power diode-pumped rod amplifier; thermal lensing effect; Birefringence; High power amplifiers; Laser beams; Lenses; Optical amplifiers; Optical imaging; Optical polarization; Relays; Thermal engineering; Thermal lensing;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391699
