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Sinusoidal Groove Profile

Major collection: Holography
Named collection: Holography Collection
Object type: hologram
Maker: Date made: circa 1976

Large holographic diffraction grating made by interferring 2 beams of light, mastered by National Physical Laboratory, Teddington. Replicated by Optometrics. 1800 grooves/mm


Gift of Dr. Mike Hutley