Device for modulating and reflecting electromagnetic radiation e

Details Device for modulating and reflecting electromagnetic radiation e Device for modulating and reflecting electromagnetic radiation e

1986-12-02

1988-11-22

Mullins, James B.

X-ray or gamma ray systems or devices

Photographic detector support

Dental

350356, 378 85, G02B 610

Patent

active

047861282

ABSTRACT:
A multi-layer device for modulating and reflecting light. The device is formed of an electro-optic layer with a variable index of refraction sandwiched between two other layers having a pre-determined index of refraction. An electric field applied across the electro-optic layer controls the index of refraction of the layer and thus the reflectance and transmittance of light through the multi-layer stack. The device can therefore be used as a mirror, window, beam-splitter, shutter, light modulator, or other optical logic element.

REFERENCES:
patent: 3695745 (1972-10-01), Furukawa
patent: 3871747 (1975-03-01), Andrews
patent: 3898585 (1975-08-01), Heidrich et al.
patent: 4261771 (1981-04-01), Dingle et al.
patent: 4675889 (1987-06-01), Wood et al.
Underwood et al., "Layered Synthetic Microstructures as Bragg Diffractors for X-rays and Extreme Ultraviolet: Theory and Predicted Performance", Applied Optics, vol. 20, No. 17, Sep. 1, 1981.

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