Controlled wide spectrum compact ultrabrief laser source

Details Controlled wide spectrum compact ultrabrief laser source Controlled wide spectrum compact ultrabrief laser source

2006-09-19

2006-09-19

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

Reexamination Certificate

active

07110111

ABSTRACT:
A wide-spectrum compact ultrabrief laser source includes a rare-earth ion primary laser. The source is pumped by a pump light flux centered on a wavelength λD, the flux being emitted by a solid laser pump source. The primary source emits a primary light flux centered on a wavelength λLof spectral width ΔλL. The latter is injected via an optical injection into a photonic crystal fiber having a length L, a cross-section d, and a set of cavities of diameter φ. A coupling optics collects the light flux at the output of the photonic crystal fiber. The light flux is centered on a wavelength λFand has a spectral width ΔλF. The spectrum is subjected in the photonic crystal fiber to an enlargement which is due for more than 50% to phase self-modulation.

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patent: 6611643 (2003-08-01), Birk et al.
patent: 2002/0006264 (2002-01-01), Birk et al.

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