Title :
Diode-pumped 2 spl mu/m holmium laser
Author :
Allen, R. ; Esterowitz, L. ; Goldberg, L. ; Weller, J.F. ; Storm, M.
Author_Institution :
Naval Research Laboratory, Washington, USA
Abstract :
For the first time, a GaAlAs laser diode array pumped Ho:YAG laser operating at 2-1 μm has been demonstrated at 77 K. Laser threshold occurred at 2.7 mW of pump power centred at 785.5 nm. A slope efficiency of 19% was achieved.
Keywords :
holmium; optical pumping; solid lasers; laser threshold; pump power; slope efficiency;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860645