Electronically modulated prism

Details Electronically modulated prism Electronically modulated prism

2005-10-25

2005-10-25

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave directional modulation

C359S322000

Reexamination Certificate

active

06958851

ABSTRACT:
An electronically modulated prism, having a bulk crystal, a plurality of electrode pads formed on a top surface of the bulk crystal, and a common electrode formed on a bottom surface of the bulk crystal. The bulk crystal is optically isotropic with zero electric field applied thereto and optically anisotropic when subjected to a non-zero electric field. More specifically, the bulk crystal between each of the electrode pads and the common electrode has an index of fraction altered proportionally to the electric field applied thereto, such that an incident beam propagate through the crystal is modulated with an accumulated phase shift.

REFERENCES:
patent: 6697550 (2004-02-01), Chen
J.C. Carrano, DARPA/MTO, Steered Agile Beams (STAB) Aug. 2000.
A.M. Prokhorov & Y.S. Kuz'Minov, Physics and Chemistry of Crystalline Lithium Niobate, 1990, pp 290 & 369, Adam Hilger, New York, USA.
K.W. Chang, et al., Simultaneous Wavelength Conversion and Amplitude Modification in a Monolithic Periodically-poled Lithium Niobate, Mar. 2002, pp. 163-168, Optics Communication 203.
R.A. Soref & D.H. McMahon, Bright Hopes for Display Systems: Flat Panels and Light Deflectors, Optoelectronics, Nov. 1965, pp. 56-62 Mass., USA.

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