Electro-optic reflective modulators

Details Electro-optic reflective modulators Electro-optic reflective modulators

2005-09-27

2005-09-27

Epps, Georgia (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave directional modulation

C359S252000, C359S321000, C385S018000

Reexamination Certificate

active

06950228

ABSTRACT:
Provided is an electro-optic reflective modulator comprising a reflective active material, preferably comprising a reflective organic free radical compound, that reflects a wavelength in a highly reflective state and is reversibly switched to a transparent and low reflectivity state at the wavelength by the application of an electric current. Preferably, the electro-reflective optical modulator is solid state with no moving parts such that the active material does not move when reversibly switched between the high and low reflective states. Also provided are methods of modulating an optical signal utilizing such electro-optic reflective modulators.

REFERENCES:
patent: 5037169 (1991-08-01), Chun

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