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The distribution of an ultrafast optical pulse train over multiple fiber links with long-term stable timing precision within 2 femtoseconds rms is accomplished by integrating a polarization maintaining output with 300 meter long fiber links.
The three thermo-optic coefficients of the biaxial laser host KLu(WO4)2 are measured at 633 nm by a deflection method and nearly athermal propagation directions are found for polarizations along the Nm and Np principal axes.
We report an efficient technique to measure gain and losses of quantum cascade lasers (QCLs). It consists on the analysis of the Fabry-Perot fringes induced by the optical injection of a chirped distributed feedback QCL.
Continuous channel waveguides in periodically poled KTiOPO4 with guided orthogonal polarizations are used to demonstrate type-II background-free second harmonic generation at 1505 nm with 1.2 %/(W cm2) normalized efficiency.
We describe a method for deriving optical constants in the extreme ultraviolet from the measured ratio of p- to s-polarized reflectance curves (as a function of angle). These measurements use laser-generated high-order harmonics, which have the advantage of easily rotatable linear polarization. We show that this ratio technique markedly reduces sensitivity to possible systematic brightness and alignment...
Through FROG-CRAB based on attosecond streaking, we characterized 140 attosecond single isolated pulses generated with a double optical gating using 9 fs lasers.
Anisotropic sensitivity of isotropic medium to femtosecond laser radiation is observed. The phenomenon is explained by unusual anisotropy at the interface produced by ultrashort light pulses with tilted front and referred as ultrafast light blade.
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