Nd:YAG Laser with Stimulated Brillouin and Raman Scattering Pulse Compression

Abstract

CWF4 Flashlamp-pumpedNdKGW Laser a t 1.06 lad 135 lua in free-running and Q-swltcW mode. Results In MOPA anfiguration. 0. MLJSSET and J.P. BOQUULON Labomtoire de Physique de lVniversit6 de Bourgognc UPRES-A CNRS no 5027Ncodimium-dopcd Potassium-Gadolrnium Tungstate crystal KGd(W04)2 o r NdKGW IS a c r y d uhore S O I I C~ allows high Nd doping (3 to 8%) wthoul dcmmcntal concenvaunn qucnchmg. In h s ua) it can compctc with NdYAG in tcrms of opucal gun. dcsprte a poorer lhmnal condurnviry. We prcscnt h a c thc rcsulta obwncd at repcution ratcs up to 60 Hr Wc vstcd wvcral Nd:KGW rcds horn two diffucnt furnishus. mth the s m c dimcnuons ( 6.35 x 76 mm) and ditlerrnt Nd dopant lcvcls (from 2.8 to 8 at.%). Thc end faces ucre rithcr fladflat, parallel and ARcoated a1 1 .06 flm for thc 1.06 p emission or uhcd (1') ard AR-coated for 1 06 and I .35 wn for thc 1.35 km CMsuOn