Lensed optic fiber terminus and method

Details Lensed optic fiber terminus and method Lensed optic fiber terminus and method

1988-01-11

1989-08-08

Gonzalez, Frank

G02B 726

Patent

active

048546631

ABSTRACT:
An optic fiber connection apparatus and method are provided which enables positioning of a lens or bead at the end of an optic fiber at a selected distance from the end of the contact or terminus while maintaining a closely controlled lateral position of the bead. The contact has a hole extending along its axis, with a cylindrical front portion of a diameter to closely surround the lens at the end of the optic fiber. In addition or alternatively, the hole that receives the fiber may have a diameter to closely surround the fiber, and a shoulder intermediate the contact front and rear end. The optic fiber can be slid within the contact to extend its end beyond the contact so a lens can be formed on the tip of the fiber. Thereafter the fiber is slid backward into the contact. The lens is slid backward or foward against a positioning tool to a final lens position forward of the shoulder.

REFERENCES:
patent: 4087155 (1978-05-01), Deacon
patent: 4191447 (1980-03-01), Borsuk
patent: 4461539 (1984-07-01), Bailey et al.
patent: 4497536 (1985-02-01), Payne et al.
"A Fiber Optic Interconnect System For Military Severe Environments", Electronic Connector Study Group, Inc., R. E. Ellis, T. E. Giles, Frank H. Levinson, D. R. Roberts, R. Schlingensiepen, P. Soni, pp. 168-175.

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