Title :
Low quantum-defect laser oscillation by high intensity pumping at room temperature
Author :
Matsubara, Shinichi ; Uno, Kyousuke ; Nakajima, Yoshiaki ; Kawato, Sakae ; Kobayashi, Takao ; Shirakawa, Akira
Author_Institution :
Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, 910-8507, Japan
Abstract :
Ytterbium laser oscillations at 980.6 nm and 983.0 nm are observed by high intensity 978.1 nm pumping of around 1 MW/cm2 at room temperature. Corresponding quantum defects are 0.26 % and 0.50 %, respectively.
Keywords :
Absorption; Diode lasers; Fiber lasers; Laser excitation; Laser transitions; Pump lasers; Ring lasers; Solid lasers; Temperature; Ytterbium;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431472
