Multi-mode, optical fiber laser coupler

Details Multi-mode, optical fiber laser coupler Multi-mode, optical fiber laser coupler

1985-08-05

1988-02-16

Sikes, William L.

350 9615, G02B 632

Patent

active

047251158

ABSTRACT:
An apparatus for efficiently coupling laser light to multi-mode fiber uses a solid state laser focussed by a spherical microlens onto a partially reflecting mirror. The mirror is formed by polishing the ends of two fibers at 45 degrees and assembling them such that the ends abut and are substantially parallel. High efficiency is obtained by using the spherical lens to direct most of the laser light into the acceptance cone of the fiber and by orienting the laser such that the electric vector of the light is perpendicular to the fiber axis.

REFERENCES:
patent: 4257672 (1981-03-01), Balliet
patent: 4268112 (1981-05-01), Peterson
patent: 4327963 (1982-05-01), Khoe et al.
patent: 4575194 (1986-03-01), Streifer et al.
patent: 4611884 (1986-09-01), Roberts

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