Novel Designs and Coupling Schemes for Affordable High Energy
نویسندگان
چکیده
All fiber lasers to date emit radiation only along the fiber axis. Under this program a fiber that exhibits laser emission that is radially directed from its circumferential surface was demonstrated. A unique and controlled azimuthally anisotropic optical wave front results from the interplay between a cylindrical photonic bandgap fiber resonator, anisotropic organic dye gain, and a linearly polarized axial pump. Low threshold (86nJ) lasing at nine different wavelengths is demonstrated throughout the visible and near-infrared spectra. We also report the experimental realization of unprecedented layer thicknesses of 29.5 nm maintained throughout meter-long fibers.
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تاریخ انتشار 2007