Front end preparation procedure for efficient coupling and impro

Details Front end preparation procedure for efficient coupling and impro Front end preparation procedure for efficient coupling and impro

1998-03-26

2000-11-28

Sanghavi, Hemang

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

385126, 385 88, 385139, 4271632, G02B 602, G02B 622

Patent

active

061545961

ABSTRACT:
A method of front end preparation for efficient coupling of light into a fiber while preventing fiber damage from an incident beam, includes the steps of stripping an end of an outer cladding of the fiber. The step of stripping produces a stripped end of the fiber. The stripped end is then coated with a polymer to produce a polymer coating such that a length of a core of a multi-mode fiber (or an inner cladding of a single-mode double cladding fiber) is bare beyond the polymer coating. Thereby, an extended end of the core or inner cladding is left. For a portion of an incident beam that misses the core or inner cladding, such portion is allowed to diffract from the extended end, while leaving the fiber undamaged.

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patent: 5778125 (1998-07-01), Busse et al.
patent: 5864397 (1999-01-01), Vo-Dinh
patent: 5966490 (1999-10-01), Minns et al.

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