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Quadrupole transient effects and a super-regenerative spectrometer Sheikh, Aftab Ahmad

Abstract

A field modulated super-regenerative spectrometer was constructed. The theory of its operation was developed and put to test by observing the pure quadrupole resonance of Chlorine 35 in Para - di-chlorobenzene powder at room temperature. The spectrometer's operation is closely related to the quadrupole transient effects. So another experiment was done to measure the amplitude and the decay time constant of Free Induction Signal in Para-di-chlorobenzene as a function of pulse width and magnetic field, using a pulsed r.f. transmitter, constructed for this purpose, The results of this experiment were then applied to the theory of the spectrometer to explain its behaviour.

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