Optical pulse generation with a frequency shifted feedback laser

Kowalski, F. V.; Shattil, S. J.; Hale, P. D.
August 1988
Applied Physics Letters;8/29/1988, Vol. 53 Issue 9, p734
Academic Journal
A pulsed ring dye laser is constructed in which the light is shifted in frequency before being fed back into the gain medium. The active medium is R6G dye pumped by a continuous wave argon-ion laser. An acousto-optic modulator is used to shift the frequency of the light inside the ‘‘cavity.’’ With this device, we have generated optical pulses with a 9.6 ps FWHM of the autocorrelation trace and measured periods as short as 0.9 ns.


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