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In this paper, the experiment on an all-optical switching is reported based on a microstructure fiber(MF)-nonlinear optical loop mirror (NOLM). In the experiment, a 25-meter-long MF (γ=36W−1km−1@1550 nm) is used as a nonlinear medium of the nonlinear optical loop mirror and the input signal is generated by a 10 GHz tunable picosecond laser source, with a full-width at half-maximum (FWHM) of 2 ps and...
A simply method to measure the thermal focal length of a LD end-pumped Nd: GdVO4 solid state laser with a stable resonator is presented. By scanning a slit across the field with expression of multi-mode Gaussian distribution behind the output mirror of lasers, the radius and the M2 factor describing the quality of beam can be measured. The waists of the multi-mode field and the TEM00 mode can be deduced...
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