Measurement of excited-state-absorption loss for Ce/sup 3 +/ in Y/sub 3/Al/sub 5/O/sub 12/ and implications for tunable 5d. -->. 4f rare-earth lasers
Journal Article
·
· Appl. Phys. Lett.; (United States)
Broad bandwidth 5d..-->..4f transitions in Ce/sup 3 +/ have been considered for tunable laser action. In this letter, optical probe measurements of excited Ce/sup 3 +/ ions in Y/sub 3/Al/sub 5/O/sub 12/ show that stimulated emission in the 550--610-nm region is not possible at 295 K because of excited-state absorption. Transient measurements demonstrate that part of this loss has approx. =75-ns lifetime and is associated with absorption from the lowest 5d level; a longer-lifetime loss is also observed. The excited-state-absorption loss is reduced at lower temperatures.
- Research Organization:
- Lawrence Livermore Laboratory, University of California, Livermore, California 94550
- OSTI ID:
- 7030317
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 33:5; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ABSORPTION SPECTRA
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ATOMIC IONS
CERIUM IONS
CHALCOGENIDES
CHARGED PARTICLES
EMISSION
ENERGY-LEVEL TRANSITIONS
FERRITE GARNETS
FLUORESCENCE
IONS
LASERS
LUMINESCENCE
MEDIUM TEMPERATURE
MINERALS
OXIDES
OXYGEN COMPOUNDS
SOLID STATE LASERS
SPECTRA
STIMULATED EMISSION
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360603 -- Materials-- Properties
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ABSORPTION SPECTRA
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ATOMIC IONS
CERIUM IONS
CHALCOGENIDES
CHARGED PARTICLES
EMISSION
ENERGY-LEVEL TRANSITIONS
FERRITE GARNETS
FLUORESCENCE
IONS
LASERS
LUMINESCENCE
MEDIUM TEMPERATURE
MINERALS
OXIDES
OXYGEN COMPOUNDS
SOLID STATE LASERS
SPECTRA
STIMULATED EMISSION
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS