Volume holographic filter with broad acceptance angle and...

Details Volume holographic filter with broad acceptance angle and... Volume holographic filter with broad acceptance angle and...

2008-02-01

2010-11-23

Lavarias, Arnel C (Department: 2872)

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

C359S019000

Reexamination Certificate

active

07839550

ABSTRACT:
A narrowband filter with a wide acceptance angle which utilizes two holographic filter elements connected in series. The filter blocks light outside of a narrow spectral band of interest, while enabling light to be seen over a wide range of angles incident on the filter.

REFERENCES:
patent: 6069987 (2000-05-01), Sasaki et al.
patent: 6992805 (2006-01-01), Ingwall et al.
patent: 7480048 (2009-01-01), Billmers et al.
patent: 7557990 (2009-07-01), Blais-Ouellette

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