Image detection using multimode fiber amplifier

Optical waveguides – With optical coupler – Input/output coupler

Reexamination Certificate

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C385S049000

Reexamination Certificate

active

07373043

ABSTRACT:
An image detection system includes a multimode fiber amplifier. The multimode fiber amplifier includes a core configured to receive an input image that includes a plurality of input beams spanning a range of incidence angles and to propagate at least some of the input beams as different ones of a plurality of transverse modes along the core. The multimode fiber amplifier provides an amplified image at an output facet thereof corresponding to the input image. A focal plane detector includes an array of detectors arranged to receive different portions of the amplified image.

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