Effect of n on 1 laser treatment on damage threshold of selected optical coating
Conference
·
OSTI ID:6483113
Laser damage threshold improvement was observed in selected thin film coatings that were repeatedly irradiated by 1.06..mu..m, 16 nsec pulse emitted by a laser with 30 Hz repetition rate. Each sample was first irradiated for one minute at separate sites (1 on 1 testing) to determine the laser damage threshold of the thin film. A separate site was multiply irradiated (n on 1 testing) using a pulse fluence that initially was arbitrarily low, then subsequently raised in a step-wise fashion until damage occurred. Results indicate a significant increase in laser damage threshold of some thin film coatings due to this treatment. 5 refs., 7 figs.
- Research Organization:
- Lawrence Livermore National Lab., CA (USA)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6483113
- Report Number(s):
- UCRL-100617; CONF-8810296-4; ON: DE89008830
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
360206* -- Ceramics
Cermets
& Refractories-- Radiation Effects
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
DAMAGE
ELECTROMAGNETIC RADIATION
FILMS
LASER RADIATION
MINERALS
OPTICAL PROPERTIES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATION EFFECTS
RADIATIONS
REFLECTIVITY
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SOL-GEL PROCESS
SUBSTRATES
SURFACE PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
360206* -- Ceramics
Cermets
& Refractories-- Radiation Effects
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
DAMAGE
ELECTROMAGNETIC RADIATION
FILMS
LASER RADIATION
MINERALS
OPTICAL PROPERTIES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RADIATION EFFECTS
RADIATIONS
REFLECTIVITY
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SOL-GEL PROCESS
SUBSTRATES
SURFACE PROPERTIES
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES