Apparatus and method for pumping optical fiber

Details Apparatus and method for pumping optical fiber Apparatus and method for pumping optical fiber

2004-05-24

2008-10-14

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C359S341300

Reexamination Certificate

active

07437033

ABSTRACT:
An apparatus and method for pumping optical fibers. An optical element is disposed for directing pump energy into the inner cladding of a dual clad optical fiber, where the optical element has a refractive index greater than the refractive index of the inner cladding. A gradient refractive index structure is disposed between the optical element and the inner cladding to provide for a smooth transition from the refractive index of the optical element to the refractive index of the inner cladding.

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