title: Sensitivity optimization in amplitude-modulated CW-EPR experiment.
abstract: A sensitivity of recently developed method of amplitude-modulated continuous wave EPR (AM-CW-EPR) is studied depending on the parameters of the modulation field. The case of the significant saturation and high modulation frequency is addressed. It is found, that the rapid resonance passage effect is essential for AM-CW-EPR. However, its manifestation is different comparing to the conventional CW-EPR experiment. Both experimental data and numerical simulations support the enhancement of the AM-CW-EPR sensitivity under the rapid passage conditions for the modulating magnetic field, which is important for practical use of the method.
authors.affiliation: International Tomography Center SB RAS, Novosibirsk 630090, Russia. mfedin@tomo.nsc.ru
authors.forename: Matvey
authors.initials: M
authors.lastname: Fedin
authors.forename: Igor
authors.initials: I
authors.lastname: Gromov
authors.forename: Arthur
authors.initials: A
authors.lastname: Schweiger