System for detection of small inclusions in large optics

Autor:	J E Wolfe, M J Runkel
Rok vydání:	2008
Předmět:	Materials science business.industry Laser Fluence law.invention Metrology Optics Laser damage law Modulation Optical materials Inclusion (mineral) National Ignition Facility business
Zdroj:	Laser-Induced Damage in Optical Materials: 2008.
ISSN:	0277-786X
DOI:	10.1117/12.804456
Popis:	The presence of defects in optical materials can lead to bulk damage or downstream modulation and subsequent surface damage in high fluence laser systems. An inclusion detection system has been developed by the National Ignition Facility Optics Metrology Group. The system detects small inclusions in optical materials with increased sensitivity and speed over previous methods. The system has detected all known inclusions and defects and has detected previously undetected defects smaller than 5 microns.
Databáze:	OpenAIRE
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