Spectroscopic characteristics of chromium doped mullite glass-ceramics

Characteristics of chromium-doped mullite ceramics are discussed with reference to possible laser applications. Dominant features are attributed to large and inherent spectroscopic inhomogeneity of mullite. The spectroscopic data are analyzed using a generalized McCumber theory. The peak stimulated...

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Veröffentlicht in:	IEEE J. Quant. Electron.; (United States) 1988-06, Vol.24 (6), p.1109-1113
Hauptverfasser:	Wojtowicz, A.J., Meng, W., Lempicki, A., Beall, G.H., Hall, D.W., Chin, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	420300 - Engineering- Lasers- (-1989) CERAMICS CHROMIUM CROSS SECTIONS CRYSTAL DOPING CRYSTAL-PHASE TRANSFORMATIONS Crystalline materials Crystallization Doped-insulator lasers and other solid state lasers ELEMENTS ENGINEERING Exact sciences and technology EXCITATION FUNCTIONS FUNCTIONS Fundamental areas of phenomenology (including applications) Glass INORGANIC ION EXCHANGERS ION EXCHANGE MATERIALS Laser applications LASER SPECTROSCOPY LASERS MATERIALS METALS MINERALS MULLITE Optical materials Optics OXIDE MINERALS PHASE TRANSFORMATIONS Physics Solid state circuits SOLID STATE LASERS SPECTROSCOPY Stimulated emission TRANSITION ELEMENTS
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Zusammenfassung:	Characteristics of chromium-doped mullite ceramics are discussed with reference to possible laser applications. Dominant features are attributed to large and inherent spectroscopic inhomogeneity of mullite. The spectroscopic data are analyzed using a generalized McCumber theory. The peak stimulated emission cross section is 0.54*10/sup -20/ cm/sup 2/. This, together with preliminary single-pass measurements, indicate that gain for mullite is bout 2.6 times smaller than gain for alexandrite.< >
ISSN:	0018-9197 1558-1713
DOI:	10.1109/3.233