Applied Optics 1987-Jul
Coumarin 120 laser pulses close to the Fourier transform limit from a simplified resonant cavity.
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Abstract
Using a simplified resonant cavity consisted of an optical parallel glass plate and a diffraction grating at near grazing incidence and the appropriate laser parameters, coumarin 120 laser pulses close to the Fourier transform limit have been obtained. These laser pulses have a spectral linewidth of 600 +/- 40 MHz and a pulse width of 1.5 +/- 0.2 ns. The laser wavelength tuning range is from 4280 to 4600 A.