The dispersion of nanosecond electromagnetic pulses in a longitudinally magnetized plasma confined in a coaxial transmission line is observed experimentally. The transient response exhibits weakly damped oscillations characteristic of the natural frequencies of a bounded gyrotropic plasma. Measurements of the pulse dispersion caused by reflection from the plasma interface and transmission through the plasma are compared with theoretical results obtained on the basis of a dielectric model of the plasma, in which ion motion and random motions of electrons are neglected.
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H. J. Schmitt (1965) studied this question.
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