Title :
Er:YAG is a 2.5-level laser at 300°K
Author :
White, Jeffrey O.
Author_Institution :
Army Res. Lab., Adelphi, MD, USA
Abstract :
We propose the ldquolevel parametersrdquo lscr0 and lscr1 to quantify the concept of two-, three- and four-level laser, for comparing different laser media, operating temperatures, and choices of pump and laser transitions.
Keywords :
erbium; optical pumping; solid lasers; yttrium compounds; YAG:Er; four-level laser; laser media; operating temperatures; temperature 300 K; three-level laser; two-level laser; Absorption; Laser excitation; Laser transitions; Optical amplifiers; Optical coupling; Optical pumping; Optical saturation; Pump lasers; Stationary state; Temperature; 140.3430; 140.3480; 140.3500; 140.3530; 140.3615; 140.5680;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8