Title :
15 W diode-pumped Tm:YAG double-clad waveguide laser
Author :
Mackenzie, J.I. ; Mitchell, S.C. ; Beach, R.J. ; Li, C. ; Meissner, H.E. ; Shepherd, D.P.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
Summary form only given. We present results for a planar direct-bonded double-clad waveguide comprised of a Tm:YAG core, undoped YAG inner-cladding, and sapphire outer-cladding layers. The YAG/sapphire numerical aperture is sufficient to capture most of the highly divergent radiation of a laser diode, thus allowing a side-pumped arrangement with two proximity-coupled λp=785 nm, 20 W diode bars. This simple and efficient pumping scheme, combined with the thin waveguide dimension, leads to a high pumping intensity, as required for efficient operation of quasi-three-level laser systems
Keywords :
optical planar waveguides; optical pumping; solid lasers; thulium; waveguide lasers; 15 W; 785 nm; Tm:YAG core; YAG-Al2O3; YAG/sapphire numerical aperture; YAG:Tm; YAl5O12-Al2O3; YAl5O12:Tm; diode-pumped Tm:YAG double-clad waveguide laser; diode-pumped planar waveguides; high pumping intensity; highly divergent radiation; planar direct-bonded double-clad waveguide; proximity-coupled diode bars; quasi-three-level laser systems; sapphire outer-cladding layers; side-pumped arrangement; thin waveguide dimension; undoped YAG inner-cladding; Biomedical optical imaging; Diodes; Optical coupling; Optical pumping; Optical resonators; Optical sensors; Optical waveguides; Planar waveguides; Power lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-7105-4
DOI :
10.1109/LEOS.2001.969172
