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Concave 220mm Radius of Curvature

Major collection: Holography
Named collection: Holography Collection
Object type: hologram
Maker: Date made: date unknown

Small holographic diffraction grating made by recording spherical standing waves in photovesist. Made by Optometrics. Has a "glazed" triangular groove pattern. 1200 grooves/mm


Gift of Dr. Mike Hutley