Optical star coupler with a planar mixer element

Details Optical star coupler with a planar mixer element Optical star coupler with a planar mixer element

1981-03-05

1984-05-22

Lee, John D.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156154, G02B 5172

Patent

active

044497830

ABSTRACT:
An optical star coupler, which includes a mixing element consisting of a planar waveguide having an input and output end for interconnecting two groups of light conducting fibers with a packing density of each group of fibers being as high as possible and the planar waveguide having a thickness approximately equal to the diameter of the fibers, characterized by each fiber which is to be connected to a fiber of a fiber optical system having a diameter approximately equal to the core diameter of this fiber of the fiber optical system and, preferably, the mixing element on the surfaces, which are not connected to the fibers, are in contact with a medium having an index of refraction less than the index of refraction of the mixing element. Preferably, this medium comprises a material having substantially the same coefficient of thermal expansion and is an optical adhesive.

REFERENCES:
patent: 4184740 (1980-01-01), d'Auria et al.
patent: 4193661 (1980-03-01), d'Auria et al.
patent: 4199222 (1980-04-01), Ikushima et al.
patent: 4200356 (1980-04-01), Hawkes et al.
patent: 4213670 (1980-07-01), Milton et al.
patent: 4285570 (1981-08-01), Minemura et al.
patent: 4362357 (1982-12-01), Stockmann et al.
F. Auracher et al., "Optimized Layout for Data Bus System Based on a New Planar Access Coupler," Applied Optics, vol. 16, No. 12, Dec. 1977, pp. 3140-3142.
G. L. Tangonan et al., "Planar Multimode Couplers for Fiber Optics," Optics Communications, vol. 27, No. 3, Dec. 1978, pp. 358-360.
Hudson et al., "The Star Coupler: A Unique Interconnection Component for Multi-Mode Optical Waveguide Communication Systems," Applied Optics, vol. 13, No. 11, Nov. 1974, pp. 2540-2545.
Schott Informationen, No. 4, 1978, pp. 21-22, (with translation).
M. Stockmann et al., "Planar Star Coupler for Multimode Fibers," Applied Optics, vol. 19, No. 15, Aug. 1980, pp. 2584-2588.
A. F. Milton, "Star and Access Couplers for Multichannel Fiber Cables," IEEE J. Quantum Electron, vol. QE13, No. 9 (9/77), p. 21D.

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