INTERFEROMETER

Interferometer for measuring a phase difference between a reference beam (37) and an object beam (36') transformed by an optical element (10), comprising light source means (2), an optical device (3) and detection means (4) in a detection plane (34). The optical device (3) comprises a first lig...

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Bibliographische Detailangaben
1. Verfasser:	KLAVER, RENATUS, GERARDUS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	Interferometer for measuring a phase difference between a reference beam (37) and an object beam (36') transformed by an optical element (10), comprising light source means (2), an optical device (3) and detection means (4) in a detection plane (34). The optical device (3) comprises a first light conductor (30) having a first output surface (31) that generates an object beam (36) having a spherical wave front and a second light conductor (32) having a second output surface (33) that generates a reference beam (37) having a spherical wave front, directed onto the detection plane (34), wherein the set-up of the first light conductor (30) and the optical element (10) is such that the transformed object beam (36') interferes with the reference beam (37) in the detection plane (34).