VUV fluorescence of Nd/sup 3 +/-, Er/sup 3 +/-, and TM/sup 3 +/-doped trifluorides and tunable coherent sources from 1650 to 2600 A
Journal Article
·
· Appl. Phys. Lett.; (United States)
Broad-band vacuum ultraviolet (VUV) fluorescence has been observed in Nd/sup 3 +/-, Er/sup 3 +/-, and Tm/sup 3 +/-doped LaF/sub 3/, YF/sub 3/, LiYF/sub 4/, and LuF/sub 3/ by electron-beam and VUV excitation. The VUV excitation spectra indicate a large Stokes shift (>5000 cm/sup -1/) and a high fluorescence quantum yield of 0.8. The threshold power for laser action in these crystals by optical pumping has been estimated. Using a molecular H/sub 2/ laser as a pumping source, a laser system which is tunable from 1650 to 2600 A could be constructed. (AIP)
- Research Organization:
- General Electric Corporate Research and Development, Schenectady, New York 12301
- OSTI ID:
- 7176129
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 29:8; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ALKALI METAL COMPOUNDS
ATOMIC IONS
CATHODOLUMINESCENCE
CHARGED PARTICLES
DOPED MATERIALS
ENERGY
ENERGY-LEVEL TRANSITIONS
ERBIUM IONS
EXCITATION
FLUORIDES
FLUORINE COMPOUNDS
FREQUENCY SELECTION
HALIDES
HALOGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM FLUORIDES
LASERS
LITHIUM COMPOUNDS
LUMINESCENCE
LUTETIUM COMPOUNDS
LUTETIUM FLUORIDES
NEODYMIUM IONS
OPERATION
OPTICAL PUMPING
PHOTOLUMINESCENCE
RARE EARTH COMPOUNDS
SOLID STATE LASERS
SPECTRA
SPECTRAL SHIFT
THRESHOLD ENERGY
THULIUM IONS
TRANSITION ELEMENT COMPOUNDS
TUNING
ULTRAVIOLET SPECTRA
YTTRIUM COMPOUNDS
YTTRIUM FLUORIDES
420300* -- Engineering-- Lasers-- (-1989)
ALKALI METAL COMPOUNDS
ATOMIC IONS
CATHODOLUMINESCENCE
CHARGED PARTICLES
DOPED MATERIALS
ENERGY
ENERGY-LEVEL TRANSITIONS
ERBIUM IONS
EXCITATION
FLUORIDES
FLUORINE COMPOUNDS
FREQUENCY SELECTION
HALIDES
HALOGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM FLUORIDES
LASERS
LITHIUM COMPOUNDS
LUMINESCENCE
LUTETIUM COMPOUNDS
LUTETIUM FLUORIDES
NEODYMIUM IONS
OPERATION
OPTICAL PUMPING
PHOTOLUMINESCENCE
RARE EARTH COMPOUNDS
SOLID STATE LASERS
SPECTRA
SPECTRAL SHIFT
THRESHOLD ENERGY
THULIUM IONS
TRANSITION ELEMENT COMPOUNDS
TUNING
ULTRAVIOLET SPECTRA
YTTRIUM COMPOUNDS
YTTRIUM FLUORIDES