Multicolor interference filters with side surfaces to prevent en

Details Multicolor interference filters with side surfaces to prevent en Multicolor interference filters with side surfaces to prevent en

1991-03-14

1991-12-17

Arnold, Bruce Y.

Optical: systems and elements

Light interference

Produced by coating or lamina

250226, G02B 528

Patent

active

050730088

ABSTRACT:
An interference filter includes a multi-coated interference filter layer of dielectric substances deposited on a transparent base plate and extinction members applied to side surfaces of the transparent base plate. A multi-color interference filter has at least two such interference filters having different spectral characteristics closely connected to each other through the extinction members and cemented to a transparent base plate which is formed with a multi-coated anti-reflection layer deposited on one surface opposite to a surface to which the interference filter is cemented.

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