Experiments in Fir Superradiance
The occurrence of superradiance in the far infrared has been extended to the homogeneously broadened regime with the observation of delayed single-pulse emission in methyl fluoride at 496 μm. The delay, width, intensity, and asymmetry of the observed pulses are compared with the predictions of several theoretical models. Reasonable quantitative agreement is found with a Maxwell-Bloch mean-field model and a Maxwell-Bloch model including unidirectional propagation. The relation of the observations to steadystate superradiance and the contraction of the emitted pulse is discussed.
KeywordsPump Pulse Fresnel Number Pendulum Equation Superradiant Pulse Reasonable Quantitative Agreement
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- (21).This density corresponds to an excitation of 14.2% of theavailable ground state population. This is only slightlyless than the theoretical maximum of 16.7% for a linearly polarized pump.Google Scholar
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