Reabsorption trapping of luminecence in laser crystals: enhancement of energy storage and upconversion
- Center for Nonlinear Optics and Materials, Department of Physics, Alabama AM University, P. O. Box 1268, Normal, Alabama 35762 (United States)
It is shown that reabsorption of luminescence in laser crystals can enhance energy storage, energy transfer, and upconversion in solid-state laser media. These effects, experimentally observed in Yb-doped and Er-doped crystals, can potentially decrease the threshold for compact cw pumped lasers. The influence of parasitic laser modes and the amplification of spontaneous emission on population inversion in reflective coated laser elements is discussed. {copyright} 1997 Optical Society of America
- OSTI ID:
- 538363
- Journal Information:
- Applied Optics, Journal Name: Applied Optics Journal Issue: 18 Vol. 36; ISSN 0003-6935; ISSN APOPAI
- Country of Publication:
- United States
- Language:
- English
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