Immersion lithography laser light source with pulse stretcher

An apparatus and method which may comprise a pulsed gas discharge laser which may comprise a seed laser portion; an amplifier portion receiving the seed laser output and amplifying the optical intensity of each seed pulse; a pulse stretcher which may comprise: a first beam splitter operatively conne...

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Bibliographische Detailangaben
Hauptverfasser:	FOMENKOV IGOR V, PARTLO WILLIAM N, ERSHOV ALEXANDER I, DANIELEWICZ ED, FLEUROV VLADIMIR B, BERGSTEDT ROBERT A, CROSBY WALTER, FITZGERALD JOHN, SWAIN ROBIN, JACQUES ROBERT N, RAO RAJASEKHAR M, BROWN DANIEL J.W, SANDSTROM RICHARD L, RYLOV GERMAN, WITTAK CHRISTIAN J, ARRIOLA EDWARD, WYATT MIKE
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY DEVICES USING STIMULATED EMISSION ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	An apparatus and method which may comprise a pulsed gas discharge laser which may comprise a seed laser portion; an amplifier portion receiving the seed laser output and amplifying the optical intensity of each seed pulse; a pulse stretcher which may comprise: a first beam splitter operatively connected with the first delay path and a second pulse stretcher operatively connected with the second delay path; a first optical delay path tower containing the first beam splitter; a second optical delay path tower containing the second beam splitter; one of the first and second optical delay paths may comprise: a plurality of mirrors defining the respective optical delay path including mirrors located in the first tower and in the second tower; the other of the first and second optical delay paths may comprise: a plurality of mirrors defining the respective optical delay path including mirrors only in one of the first tower and the second tower.