Title :
High power Nd:YAG ceramic laser
Author :
Lu, Jun ; Murai, Takashi ; Takaichi, K. ; Uematsu, Takui ; Misawa, K. ; Prabhu, M. ; Ueda, Kazunori ; Yagi, Hideki ; Yanagitani, Takahiko
Author_Institution :
Inst. for Laser Sci., Univ. of Electro-commuhications, Tokyo, Japan
Abstract :
Summary form only given. Recently, polycrystalline Nd:YAG ceramic laser media have attracted much attention because of their several advantages. Compared to the Czochralski method for growing Nd:YAG single crystal, the fabrication of polycrystalline transparent Nd:YAG ceramics does not require a special technique. Additionally large size (now, of about 400 mm /spl times/ 10 mm) and high concentration (>1 at%, for microchip lasers) neodymium doped samples can be fabricated. Also multi-layer active elements and multi-functional ceramics could be easily fabricated. These advantages give much more freedom in laser designs. Optical absorption, emission spectra and fluorescence lifetime for Nd:YAG ceramics have been measured and compared to that of single crystal and almost identical results have been obtained.
Keywords :
ceramics; fluorescence; garnets; infrared spectra; neodymium; optical pumping; radiative lifetimes; solid lasers; yttrium compounds; 10 mm; 400 mm; YAG:Nd; YAl5O12:Nd; emission spectra; fabrication; fluorescence lifetime; high concentration; high power Nd:YAG ceramic laser; large size; laser designs; microchip lasers; multi-functional ceramics; multi-layer active elements; optical absorption; polycrystalline Nd:YAG ceramic laser media; polycrystalline transparent Nd:YAG ceramics; Ceramics; Chemical lasers; Laser excitation; Laser theory; Microchip lasers; Optical device fabrication; Optical scattering; Power lasers; Pump lasers; Yagi-Uda antennas;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO '01. Technical Digest. Summaries of papers presented at the Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-662-1
DOI :
10.1109/CLEO.2001.948166
