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Highly efficient 1341nm continuous-wave laser under 880nm diode laser pumping in Nd:GdVO 4 crystal is reported. Comparative results obtained by the traditional pumping at 808nm were presented, showing that the slope efficiency and the threshold with respect to the absorbed pump power under 880nm pumping was 34.9% higher and 12.6% lower than those of 808nm pumping. A high slope efficiency of...
A new method on the basis of the coherence theory is presented to analyze the sampled chirped fiber gratings (SCFGs). Comparing with the usual transfer matrix method based on coupling-wave equation, this new method provides a more complete and correct analytical results. 10 channels wavelength SCFG are fabricated, with the dispersion of -1300 ps/nm, the wavelength spacing between two neighboring channels...
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