Optical coupler method

Details Optical coupler method Optical coupler method

1991-08-12

1993-04-06

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 311, 65 102, 385 96, 385 98, 156158, C03B 37075

Patent

active

051999668

ABSTRACT:
Substrates for supporting optical fibers in an optical coupler are made by, first, making grooves in a glass preform which are about ten times the desired size, and then using glass drawing techniques to draw from the preform a substrate of the proper size. Optical fibers are arranged in ribbon form and placed in a fixture which allows the ends to be cut and polished at the angle required for proper coupler operation. Fibers are stripped from the end of the ribbon that has been cut and polished and placed in the grooves for proper alignment with abutting fibers. The ends of the fibers that remain fixed to the ribbon prevent unwanted rotation of the fibers.

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"Single-mode and Multimode All-Fiber Directional Couplers for WDM," by G. Winzer, H. F. Mahlein, and A. Reichelt, Applied Optics, vol. 20, No. 18, p. 3128, Sep. 15, 1981.

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