Fiber light source with multimode fiber coupler

Details Fiber light source with multimode fiber coupler Fiber light source with multimode fiber coupler

1996-06-07

1997-08-19

Healy, Brian

Optical waveguides

With optical coupler

Input/output coupler

385 27, 385 38, 385 39, 385 49, 385 50, 385 98, 385123, 372 6, 372 98, 372102, 359341, 359115, G02B 626, H01S 330

Patent

active

056596448

ABSTRACT:
In an optical fiber light source a section of multimode fiber is interposed between an energizing laser (e.g,, a diode laser) and a single mode fiber active medium. In a preferred embodiment the single mode fiber active medium is surrounded by a multimode cladding coupled to the multimode fiber. The source may serve as a pump laser for a fiber amplifier or as an amplified spontaneous emission source. Arrangements for coupling several energizing lasers to the active medium are also described.

REFERENCES:
patent: 5058980 (1991-10-01), Howerton
patent: 5077817 (1991-12-01), Shang
patent: 5140456 (1992-08-01), Huber
patent: 5235604 (1993-08-01), Chinen
patent: 5367527 (1994-11-01), Gruneisen
patent: 5422987 (1995-06-01), Wyatt et al.
patent: 5457760 (1995-10-01), Mizrahi

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