DISPLACEMENT METER WITH VOLUME HOLOGRAM

optics, optical measurement of displacement. SUBSTANCE: invention can find use in high-precision contact-free interference-holographic measurement of displacement of objects. Displacement meter has point source of coherent optical radiation, optical system, beam splitter, reflector coupled optically...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	POPOV A.V, TREPACHEV V.V, PARINOV I.A, ROZHKOV E.V, PRYGUNOV A.G
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	optics, optical measurement of displacement. SUBSTANCE: invention can find use in high-precision contact-free interference-holographic measurement of displacement of objects. Displacement meter has point source of coherent optical radiation, optical system, beam splitter, reflector coupled optically and placed in sequence. Beam splitter is photographic plate with volume Fourier hologram containing strata in the form of collection of truncated hyperboloids placed one into another and having elliptical shape in plane of section of emulsion of hologram exposed according to law :0