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Stimulated Raman scattering (SRS) is one of most efficient methods for generating new laser lines. In recent years, SRS in crystalline Raman media have attracted much attention for the advantages of high Raman scattering gain, favorable thermal conductivity and good mechanical and chemical stability [1-3]. So far most crystalline Raman lasers focus on Stokes generation. In contrast to Stokes generation,...
Single-mode lasing at ∼628 nm above an absorbed pump power threshold of 67.5 μW, tunable within a 2.1-nm range (30% of the free-spectral-range) was obtained from colloidal CdSe/CdS core/shell nanorods on whispering-gallery-mode silica microspheres.
In an actively Q-switched intracavity Raman laser with a b-cut KLuW crystal as the Raman medium and an Nd:YAG crystal as the gain medium, we got the first to ninth order Stokes wavelengths for the 88 cm-1 Raman shift. The wavelengths included 1074 nm, 1085 nm, 1095 nm, 1105 nm, 1117 nm, 1128 nm, 1140 nm, 1151 nm and 1163 nm.
We have demonstrated an intracavity THz optical oscillator pumped by a diode-side-pumped Q-switched Nd:YAG laser. Based on a noncollinear phase matching geometry in the nonlinear crystal MgO:LiNbO3, high-energy, low-threshold, coherent tunable Stokes light is obtained by changing the angle between the resonated idler wave and the pump wave, which means that the widely tunable, high-energy, coherent...
A ribbon fiber with an array of ten Yb-doped cores has been operated in a laser configuration pumped by a diode-stack at 940 nm. 100 W of output power for /spl sim/260 W of launched pump has been achieved.
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