Laser amorphisation of glass ceramics: basic properties and new possibilities for manufacturing microoptical elements
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- Saint-Petersburg State University of Information Technologies, Mechanics and Optics (Russian Federation)
The laser amorphisation of glass ceramics (LAGC) is studied by optical pyrometry and video recording. The mechanism of local LAGC as a structural phase transition determined by the temperature kinetics in the laser-irradiated region is proposed. The ranges of the power density and exposures to the 10.6-{mu}m IR radiation required for amorphisation of the typical glass ceramics, a SiO{sub 2}-Al{sub 2}O{sub 3}-CaO-MgO-TiO{sub 2} sital are determined. It is shown that LAGC can be used to fabricate a number of miniature optical elements such as lenses, lens rasters, light guides and waveguides, etc. (laser technologies)
- OSTI ID:
- 21466589
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Vol. 37, Issue 1; Other Information: DOI: 10.1070/QE2007v037n01ABEH008992; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM OXIDES
AMORPHOUS STATE
CALCIUM OXIDES
CERAMICS
GLASS
INFRARED RADIATION
LASERS
LENSES
MAGNESIUM OXIDES
MANUFACTURING
MICROSTRUCTURE
OPTICAL FIBERS
PHASE TRANSFORMATIONS
POWER DENSITY
SILICA
SILICON OXIDES
TEMPERATURE DEPENDENCE
TITANIUM OXIDES
WAVEGUIDES
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
ELECTROMAGNETIC RADIATION
FIBERS
MAGNESIUM COMPOUNDS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
SILICON COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM OXIDES
AMORPHOUS STATE
CALCIUM OXIDES
CERAMICS
GLASS
INFRARED RADIATION
LASERS
LENSES
MAGNESIUM OXIDES
MANUFACTURING
MICROSTRUCTURE
OPTICAL FIBERS
PHASE TRANSFORMATIONS
POWER DENSITY
SILICA
SILICON OXIDES
TEMPERATURE DEPENDENCE
TITANIUM OXIDES
WAVEGUIDES
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
ELECTROMAGNETIC RADIATION
FIBERS
MAGNESIUM COMPOUNDS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
SILICON COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS