Cavitation induced by pulsed and continuous-wave fiber lasers in confinement
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We present the design of a highly efficient, pulsed ammonia laser which is optically pumped by a commercial TEA CO2 laser and is line tunable in the spectral range of 780-930 cm(-1). The power, spectral, and temporal characteristics of the laser have been ...
The issue of mechanical resistance of optical fibers irradiated by UV laser sources has been recently reported. An important mechanical degradation as expressed by the decrease of median breaking strength and the widening of the Weibull distribution has be ...
By using chemical beam epitaxy at growth temperatures as low as 460-480 degrees C, we have overcome strain relaxation problems that prevented so far the successful use of InAsP quantum wells in 1.55 mu m lasers. Five quantum well InAsP/InGaAsP horizontal c ...
A simple energy-grained master equation was used to model data on the multiphoton dissocn. of CF2HCl as a function of laser fluence and Ar bath-gas pressure. Information on energy transfer from vibrationally excited CF2HCl was obtained from an anal. of the ...
A microscopic, theor., and exptl. description of an elementary solid state photoreaction, i.e. the dissocn. of a small mol. in a rare lattice is presented. The ingredients and results of mol. dynamics calcns. for the dissocn. of F2, Cl2, HI, and H2O mols. ...
The paper describes gain measurements in InGaAs/InGaAsP multiquantum-well lasers at 1.55-mu-m derived from the spontaneous emission under current injection. The gain spectrum in a broad-area laser device is determined from the spontaneous emission spectrum ...
Two different types of micromirrors are integrated with a fiber laser to modulate the cavity Q-factor. Both systems operate at frequencies up to 60 kHz and generate a pulse peak power 100 times higher than the continuous emission. We simulate the emitted p ...