Substrate ruggedized optical fiber apparatus

Details Substrate ruggedized optical fiber apparatus Substrate ruggedized optical fiber apparatus

1981-05-26

1984-04-24

Lee, John D.

350 9620, 350320, G02B 726

Patent

active

044444583

ABSTRACT:
Optical devices having one or more rigidly supported optical fibers and a method of making thereof are provided in which one or more optical fibers are interfaced with a rigid support material by molecular restructuring of interfacing surface areas of the fibers and the support material. The rigidly supported optical fiber may be fabricated by assembling a longitudinal outer surface portion of the fiber in juxtaposition with a rigid support material having a lower melting point than the fiber. This assembly may be heated to allow partial liquification of the support material and fiber along the outer surface of the fiber to allow fusing therebetween. The assembly may then be cooled below the melting point of the support material to provide a ruggedized fiber-optic assembly comprising an optical fiber fused to a rigid support material. A nonstick mold material also may be provided during assembly which has a substantially higher melting point than either the fiber or the support material. The mold may be placed in juxtaposition with the fiber to prevent the fiber from being totally embedded in the support material. Various optical devices may be formed from combinations of such rigidly supported optical fibers.

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Dabby, "Permanent Multiple Splices of Fused-Silica Fibers," Bell Syst. Tech. Journal, vol. 54, No. 2, Feb. 1975, pp. 451-455.
Sheem et al, "Acoustic Sensitivity of Single-Mode Optical Power Dividers," Opt. Lett., vol. 4, No. 10, Oct. 1979, pp. 322-324.
Bergh et al., "Single-Mode Fibre Optic Directional Coupler," Electronics Lett., vol. 16, No. 7, Mar. 1980, pp. 260-261.

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