7 June 1999 Generation of a train of microsecond pulses from a pulsed COIL with AOM
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Abstract
So far the impressive successes are obtained in development of continuous-wave chemical oxygen-iodine lasers (COIL). But some applications require the laser operating in a pulse mode and generating the power as high as possible. It is known the COIL with volume instantaneous generation of atomic iodine generates the pulses which power is several orders of magnitude higher that of CW mode at the same flow rate of chemicals. More increase of output power can be obtained by using Q-modulation. For efficient extraction of stored energy the frequency of modulation should be as high as reciprocal time of inversion population recover. i. e. megahertz scale. Such a high modulation frequency can be produced with electrooptic or acousto-optic modulator (AOM). The experimental results of application of AOM to pulsed COIL with a discharge pulsed generation of atomic iodine are presented. The AOM power supply allows one to vary the temporal parameters of modulation. The laser generates a train of pulses with the given duration and repetition rate. Experiments show that optimization oftemporal parameters of modulation is required
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Nikolai N. Yuryshev, Nikolai N. Yuryshev, Nikolai P. Vagin, Nikolai P. Vagin, "Generation of a train of microsecond pulses from a pulsed COIL with AOM", Proc. SPIE 3612, Gas and Chemical Lasers and Intense Beam Applications II, (7 June 1999); doi: 10.1117/12.350642; https://doi.org/10.1117/12.350642
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