part of Fabry-Perot etalon (section?)

Made:
1960-1970
part of Fabry-Perot etalon (section?) used c

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part of Fabry-Perot etalon (section?) used c
Science Museum Group
© The Board of Trustees of the Science Museum

part of Fabry-Perot etalon (section?) used c. 1965 to measure laser wavelength relative to the Krypton 86 lamp

Details

Category:
Nuclear Physics
Object Number:
1982-498
Materials:
glass and steel (metal)
Measurements:
quadrant section: 47 mm x 72 mm x 39 mm, ,
overall (assembled): 80 mm x 70 mm x 65 mm, , .95kg
2 glass discs: 12 mm x x , 44 mm,
metal cylinder: 56 mm x x , 36 mm,
type:
etalon
credit:
National Physical Laboratory.