Abstract
Several features of laser quenching have been observed with a CW dye-laser whose line width is comparable to the width of the absorption line. Quenching of the laser is detected by broadening and shifts of the laser wavelength band. The detection limit is found at 3.5 × 10 3 atoms in the active region. Nonlinear absorption and nonlinear fluorescence could be observed quantitatively at higher densities of the absorbing vapour.
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More From: Physica B+C
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