Diffraction grating with focal power

Diffraction grating with focal power, produced by interference

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Diffraction grating with focal power, produced by interference
Science Museum Group
© The Board of Trustees of the Science Museum

Diffraction grating with focal power, produced by interference, unsigned, United Kingdom, 1973-1983. Used by the National Physical Laboratory.

Details

Category:
Optics
Object Number:
1983-425
Materials:
glass, paper (fibre product) and plastic (unidentified) tape
Measurements:
overall: 13 mm x 128 mm x 112 mm, .363kg
type:
diffraction grating
credit:
National Physical Laboratory.