High power optical fiber laser array holographic couplers

Details High power optical fiber laser array holographic couplers High power optical fiber laser array holographic couplers

2007-09-28

2008-12-23

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S015000, C385S031000

Reexamination Certificate

active

07469082

ABSTRACT:
A transmissive holographic optical element including a chirped grating is used to inject light by side firing laser light from a an array of laser diodes into an optical fiber with a reflective HOE reflecting the injected laser light through and along the optical fiber with the transmissive holographic optical element HOE and reflective HOE sandwiching a portion of an optical fiber for increased laser side firing pumping efficiency in optical fibers.

REFERENCES:
patent: 4586780 (1986-05-01), Chern et al.
patent: 6243515 (2001-06-01), Heflinger et al.
patent: 6673497 (2004-01-01), Efimov et al.
patent: 2008/0024789 (2008-01-01), Tobiason et al.

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