Tunable holographic filter

Details Tunable holographic filter Tunable holographic filter

2005-01-18

2005-01-18

Assaf, Fayez (Department: 2872)

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

C359S001000, C359S035000, C359S003000, C385S016000, C385S037000, C385S024000

Reexamination Certificate

active

06844946

ABSTRACT:
An optical add/drop filter is formed using a hologram which is tuned to a wavelength in an optical signal. The diffraction condition of the hologram may be varied to vary the in add or drop content.

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