Er-doped optical fiber laser device

Details Er-doped optical fiber laser device Er-doped optical fiber laser device

1989-12-19

1991-08-20

Epps, Georgia

Coherent light generators

Optical fiber laser

372 69, 372 70, 372781, 359341, 385122, 385123, 385141, H01S 330

Patent

active

050420399

ABSTRACT:
An Er-doped optical fiber laser device adapted for pumping by light from a pumping light source in an erbium (Er)-doped optical fiber which enters a single mode at the wavelength of amplified light. In accordance with the present invention, the Er-doped optical fiber is further doped with at least one of holmium (Ho), thulium (Tm) and dysprosium (Dy). The pumping light source emits light in a 1.1 to 1.4 .mu.m band. The output light from the pumping light source and signal light incident to the Er-doped optical fiber are combined by a combining optical fiber coupler.

REFERENCES:
patent: 4787086 (1988-11-01), Dentai et al.
patent: 4835778 (1989-05-01), Kafka et al.
patent: 4923279 (1990-05-01), Ainslie et al.

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