US PATENT SUBCLASS 385 / 10
.~.~ Diffraction grating (e.g., Bragg)

Current as of: June, 1999
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385 /   HD   OPTICAL WAVEGUIDES

4  DF  DIRECTIONAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE {4}
8  DF  .~ Electro-optic {2}
10.~.~ Diffraction grating (e.g., Bragg)

DEFINITION

Classification: 385/10

Diffraction grating (e.g., Bragg):

(under subclass 8) Subject matter wherein electro-optic directional modulation within a waveguide utilizes an element having a series of very close, equidistant, parallel lines, (i.e., grating) or wherein the waveguide has a grating impressed upon it by an externally applied field.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

566+, for a diffraction grating, per se.