Title :
Observation of optical refrigeration in Tm/sup 3+/:BaY/sub 2/F/sub 8/
Author :
Patterson, W. ; Hasselbeck, M.P. ; Sheik-Bahae, Mansoor ; Bigotta, S. ; Parisi, D. ; Toncelli, A. ; Tonelli, M. ; Epstein, R.I. ; Thiede, J.
Author_Institution :
Dept. of Phys. & Astron., New Mexico Univ., Albuquerque, NM, USA
Abstract :
We report the first experimental demonstration of laser cooling with thulium-doped BaY/sub 2/F/sub 8/. Cooling by /spl sim/1.5 K below ambient temperature is obtained at /spl lambda/ = 1.902 /spl mu/m in a single pass geometry.
Keywords :
barium compounds; laser cooling; optical materials; thulium; 1.902 mum; 291.5 K; BaY/sub 2/F/sub 8/:Tm; laser cooling; optical refrigeration; single pass geometry; thulium-doped BaY/sub 2/F/sub 8/;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
