uv fluorescence of cerium-doped lutetium and lanthanum trifluorides, potential tunable coherent sources from 2760 to 3220 A
Journal Article
·
· Appl. Phys. Lett.; (United States)
Broad-band uv flurescence is reported for LaF/sub 2/ : Ce/sup 3 +/ (2760--3120 A) and LuF/sub 3/ : Ce/sup 3 +/ (2880--3220 A). The five-peak excitation spectrum expected for the 5d state of Ce/sup 3 +/ in a noncubic crystal field is observed. The fluorescence quantum yields for LaF/sub 3/ : 1% Ce/sup 3 +/ and LuF/sub 3/ : 0.1% Ce/sup 3 +/ are 0.9 and 0.82, respectively. Estimates of the threshold power for lasing action suggest that a laser system tunable from 2760 to 3220 A is feasible with noble-gas--halide lasers as pumping sources.
- Research Organization:
- General Electric Corporate Research and Development, Schenectady, New York 12301
- OSTI ID:
- 7316700
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 31:9; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ATOMIC IONS
CERIUM IONS
CHARGED PARTICLES
CRYSTAL FIELD
D STATES
DOPED MATERIALS
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
ENERGY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUORIDES
FLUORINE COMPOUNDS
FREQUENCY SELECTION
HALIDES
HALOGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM FLUORIDES
LASERS
LUMINESCENCE
LUTETIUM COMPOUNDS
LUTETIUM FLUORIDES
OPTICAL PUMPING
PHOTOLUMINESCENCE
RADIATIONS
RARE EARTH COMPOUNDS
SOLID STATE LASERS
SPECTRA
THRESHOLD ENERGY
ULTRAVIOLET RADIATION
420300* -- Engineering-- Lasers-- (-1989)
ATOMIC IONS
CERIUM IONS
CHARGED PARTICLES
CRYSTAL FIELD
D STATES
DOPED MATERIALS
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
ENERGY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUORIDES
FLUORINE COMPOUNDS
FREQUENCY SELECTION
HALIDES
HALOGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM FLUORIDES
LASERS
LUMINESCENCE
LUTETIUM COMPOUNDS
LUTETIUM FLUORIDES
OPTICAL PUMPING
PHOTOLUMINESCENCE
RADIATIONS
RARE EARTH COMPOUNDS
SOLID STATE LASERS
SPECTRA
THRESHOLD ENERGY
ULTRAVIOLET RADIATION