Narrowband interference filter

Made:
1973 in Glasgow
maker:
Barr and Stroud Limited
and
Barr and Stroud Limited
and
Narrowband interference filter, one of five

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Narrowband interference filter, one of five
Science Museum Group
© The Board of Trustees of the Science Museum

Narrowband interference filter, one of five, type MD4 (peaks at the wavelengths 436, 546, 626, 672, and 766 n.m.), by Barr and Stroud Ltd., Glasgow, Scotland, 1973. (red)

Details

Category:
Optics
Object Number:
1973-192/1
Materials:
glass
Measurements:
overall: x x 5 mm, 50 mm, .025kg
type:
narrowband interference filters
credit:
Thales UK Ltd