Title :
Asymmetric Time Constants
Author :
Barnes, Norman P. ; Walsh, Brian M. ; Reichle, Donald J.
Author_Institution :
NASA Langley Res. Center, Hampton
Abstract :
Time constants for population density rise and decay are often unequal. Asymmetric time constants result from: ground state depletion, up conversion, and amplified spontaneous emission. All these effects were modeled and Tm :germanate experiments support model.
Keywords :
germanium compounds; photoluminescence; solid lasers; superradiance; thulium; Tm-germanate laser; amplified spontaneous emission; asymmetric time constants; ground state depletion; population density decay; population density rise; up conversion; Atomic beams; Dark current; Differential equations; Fluorescence; Laser modes; Pump lasers; Solid lasers; Solid modeling; Spontaneous emission; Stationary state;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453045
