Wavelength multiplexed two dimensional image transmission throug

Details Wavelength multiplexed two dimensional image transmission throug Wavelength multiplexed two dimensional image transmission throug

1992-02-18

1994-05-24

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359130, 359117, 385 27, 385132, H04J 1400, H04J 1402

Patent

active

053154231

ABSTRACT:
An apparatus and method are provided for transmitting two-dimensional images through a single mode optical fiber. Light from a broadband source is dispersed into component wavelengths, spatially modulated to contain an image, collected for multiplexing in a single mode optical transmission fiber, transmitted through the single mode fiber, and demultiplexed into its component wavelengths to reproduce the transmitted image. The two-dimensional dispersing and collecting elements may be realized using thin film channel waveguides having arrays of optical gratings. Because the dispersive element at the receiving (output) end of the transmission fiber must reproduce the dispersal pattern used at the source, the information transmitting device may be used for data encryption and decryption.

REFERENCES:
patent: 3755676 (1973-08-01), Kinsel
patent: 3845294 (1974-10-01), Indig et al.
patent: 3924931 (1975-12-01), Cheo
patent: 4557563 (1985-12-01), Sprague
patent: 4857726 (1989-08-01), Kinney et al.
patent: 5121231 (1992-06-01), Jenkins et al.
patent: 5129058 (1992-07-01), Mifune et al.
Hiroichi Yoshida, Optical Communication Type Digital Data Transmission, Feb. 9, 1989.

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