Laser diode pumped fiber lasers with pump cavity

Details Laser diode pumped fiber lasers with pump cavity Laser diode pumped fiber lasers with pump cavity

1987-06-15

1989-05-09

Sikes, William L.

Coherent light generators

Optical fiber laser

350 9633, H01S 330, G02B 622

Patent

active

048295299

ABSTRACT:
A fiber laser having a single mode fiber core of laser material is pumped by a high power coherent laser diode source by providing a multi-mode fiber around the single mode core to define a pump cavity which propagates pump radiation while allowing the pump radiation to couple to the single mode core. Laser diode arrays and extended emitter laser diodes can be used to pump a single mode fiber by inputting the pump radiation into the multi-mode fiber surrounding the single mode fiber core. The milti-mode fiber has a much greater diameter than the single mode core.

REFERENCES:
patent: 4637025 (1987-01-01), Snitzer et al.

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