Pulse shaping via modulation of resonant absorption
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Propagation of monochromatic linearly polarized plane electromagnetic wave through resonantly absorbing anisotropic medium with frequency-modulated response is studied analytically and numerically. Frequency modulation is assumed to be provided by means of either mechanical vibration of a solid sample or modulation of quantum transition frequency by a driving low-frequency electromagnetic field. Possibility of generation of train of pulses with polarization of the incident field as well as with orthogonal polarization is shown. For each polarization, optimal combinations of values of four parameters that provide maximal ratio of peak pulse intensity to the average output intensity is found numerically. Possible realization of this resonant method of pulse shaping in laser crystal Dy2+:CaF2 is discussed. © 2009 Pleiades Publishing, Ltd.
author list (cited authors)
Radeonychev, Y. V., Polovinkin, V. A., & Kocharovskaya, O
complete list of authors
Radeonychev, YV||Polovinkin, VA||Kocharovskaya, O