Multi-channel optical filter

Details Multi-channel optical filter Multi-channel optical filter

2005-01-18

2005-01-18

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S590000, C359S586000, C359S580000

Reexamination Certificate

active

06844977

ABSTRACT:
An exemplary embodiment of the invention is an optical filter including a mirror including a plurality of first dielectric layers having a first index of refraction and a plurality of second dielectric layers having a second index of refraction. A plurality of the first dielectric layers have an integer quarter wave optical thickness and at least one of the first dielectric layers has a non-integer quarter wave optical thickness. A plurality of the second dielectric layers have an integer quarter wave optical thickness and at least one of the second dielectric layers has a non-integer quarter wave optical thickness. In an exemplary embodiment, the non-integer quarter wave optical thickness first layer and the non-integer quarter wave optical thickness second layer are determined so as to enhance transmission at a predetermined wavelength.

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patent: 0 063728 (2000-10-01), None

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