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Title: Separating and combining single-mode and multimode optical beams

Patent ·
OSTI ID:1107891

Techniques for combining initially separate single mode and multimode optical beams into a single "Dual Mode" fiber optic have been developed. Bi-directional propagation of two beams that are differentiated only by their mode profiles (i.e., wavefront conditions) is provided. The beams can be different wavelengths and or contain different modulation information but still share a common aperture. This method allows the use of conventional micro optics and hybrid photonic packaging techniques to produce small rugged packages suitable for use in industrial or military environments.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,582,936
Application Number:
13/071,382
OSTI ID:
1107891
Country of Publication:
United States
Language:
English

References (12)

Optical waveguide and bi-directional optical transceiver patent August 2011
Directional coupling-device for multi-mode optical fibres patent March 1980
Concentric core optical fiber with multiple-mode signal transmission patent May 1997
Planar waveguide and optical fiber coupling patent November 2011
Optoelectrical sending and receiving apparatus patent September 1992
Optical fiber coupler patent June 1988
Free space optical system with multiple function detectors patent December 2004
Optical couplers for fiber optic communication links patent May 1977
Method and apparatus for bidirectional communication over a single optical fiber patent April 2002
Optical fiber beam splitter coupler patent February 1982
Optical fiber light-amplifier system patent December 1992
Single-fiber duplex coupler patent April 1979

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