Dynamically spectrally tailored raman pump laser

Details Dynamically spectrally tailored raman pump laser Dynamically spectrally tailored raman pump laser

2005-06-14

2005-06-14

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Raman laser

C372S029010, C372S029015, C372S038100, C372S038020, C372S029021

Reexamination Certificate

active

06907051

ABSTRACT:
The present invention is directed to a system and method which provide a Raman pump which is spectrally tailored in response to feedback from control structure associated with the Raman pump source. In certain embodiments of the present inventions, an incoherently beam combined laser (IBC) is utilized to provide a spectrally tailored Raman pump. In these embodiments, emitters in an emitter array are either individually addressable or block addressable to facilitate adjustment of emitter output power. By adjustment of the output power, the Raman pump may be spectrally tailored. The spectral tailoring can occur by employing suitable control algorithms to algorithms to dynamically maintain reasonably flat Raman gain.

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Mermelstein et al. “Configurable Three-Wavelength Raman Fiber Laser for Raman Amplification and Dynamic Gain Flattening.” IEEE Photonics Technology Letters, 1041-1135/01. pp. 1-3.

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