PULSE STRETCHER WITH REDUCED ENERGY DENSITY ON OPTICAL COMPONENTS

PURPOSE: A pulse stretcher with reduced energy density on optical components is provided to prevent energy density damage to a fold mirror by installing the center focus of a first beam to be speared from the fold mirror. CONSTITUTION: A pulse stretcher or a pulse modifier increases the length of pu...

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Bibliographic Details
Main Authors VENKATARAMAN ARUN MAHADEVAN, RODNEY JONATHAN
Format Patent
LanguageEnglish
Korean
Published 06.12.2010
Subjects
APPARATUS SPECIALLY ADAPTED THEREFOR
BASIC ELECTRIC ELEMENTS
CINEMATOGRAPHY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
SEMICONDUCTOR DEVICES
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Summary:PURPOSE: A pulse stretcher with reduced energy density on optical components is provided to prevent energy density damage to a fold mirror by installing the center focus of a first beam to be speared from the fold mirror. CONSTITUTION: A pulse stretcher or a pulse modifier increases the length of pulse of a laser beam. A beam splitter(306) divides an input beam into first and second beams. A confocal resonator includes a first con-focal mirror and a second con-focal mirror. A fold mirror(320) has equal distance from a con-focal(304A) mirror and a con-focal mirror(304B).
Bibliography:Application Number: KR20100047469