Title :
Highly efficient polycrystalline Nd:YAG ceramic lasers
Author :
Lu, J. ; Murai, I. ; Takaichi, K. ; Uematsu, T. ; Misawa, K. ; Prabhu, M. ; Xu, J. ; Ueda, K. ; Yagi, H. ; Yanagitani, T. ; Kaminskii, A.A.
Author_Institution :
Inst. for Laser Sci., Univ. of Electro-communications, Tokyo, Japan
Abstract :
Highly efficient Nd:YAG ceramic lasers were demonstrated. CW laser output of 499 mW and 465 mW were obtained at 1064 nm with 883 mW laser diode pumping. The optical-to-optical conversion efficiencies are more than 52%.
Keywords :
ceramics; fluorescence; grain size; neodymium; radiative lifetimes; sintering; solid lasers; transparency; 1064 nm; 465 mW; 499 mW; CW laser output; Nd:YAG ceramic lasers; YAG:Nd; YAl5O12:Nd; absorption spectra; emission spectra; fluorescence lifetime; grain size; highly efficient lasers; highly transparent ceramics; improved fabrication technology; laser diode pumping; low scattering loss; optical-optical conversion efficiencies; optimum sintering process; polycrystalline ceramic lasers; slope efficiencies; Ceramics; Chemical lasers; Crystallography; Laboratories; Laser excitation; Laser theory; Optical pumping; Physics; Pump lasers; Yagi-Uda antennas;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967799
