Prospects for wavelength tunable lasers based on vacancy defects in alkaline-earth oxides

Conference · Fri Sep 01 00:00:00 EDT 1989

OSTI ID:5482127

Chen, Y; Orera, V M; Gonzalez, R ^[1]

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1. Oak Ridge National Lab., TN (USA)

Research on color centers in the alkali halides has proven fruitful in that the recent development of tunable lasers was a direct outgrowth of the studies. It is expected that research on the alkaline-earth oxides will also hear bear fruit in this area. In this article we discuss the merits and problems of using defects for tunable lasers. Our discussions shall be confined to CaO and MgO crystals. Vacancies such as the F{sup +} center (an anion vacancy with one electron which is therefore positively charged with respect to the lattice) constitute a four-level system. Vacancies can provide higher gain than transition metal or rare-earth ions. 15 refs., 5 figs.

• Research Organization: Oak Ridge National Lab., TN (USA)
• Sponsoring Organization: DOD
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5482127
• Report Number(s): CONF-8909211-1; ON: DE90001078
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ABSORPTION
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHARGED PARTICLES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DEFECTS
ENERGY LEVELS
HYDROGEN IONS
IONS
LASERS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
POINT DEFECTS
VACANCIES
WAVELENGTHS