Effect of a High-Power Light Pulse on the Trajectory of Magnetostatic Waves in the Presence of a Linearly Nonuniform Field

V. S. Vlasov; Власов В. С.; V. G. Shavrov; Шавров В. Г.; V. I. Shcheglov; Щеглов В. И.

doi:10.31857/S003384942303018X

Effect of a High-Power Light Pulse on the Trajectory of Magnetostatic Waves in the Presence of a Linearly Nonuniform Field

Authors: Vlasov V.S.¹, Shavrov V.G.², Shcheglov V.I.²
Affiliations:
1. Pitirim Sorokin Syktyvkar State University
2. Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences
Issue: Vol 68, No 3 (2023)
Pages: 279-286
Section: РАДИОФИЗИЧЕСКИЕ ЯВЛЕНИЯ В ТВЕРДОМ ТЕЛЕ И ПЛАЗМЕ
URL: https://edgccjournal.org/0033-8494/article/view/650578
DOI: https://doi.org/10.31857/S003384942303018X
EDN: https://elibrary.ru/IDWRJK
ID: 650578

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Abstract
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Abstract

The transformation of the trajectories of surface magnetostatic waves propagating in a ferrite film magnetized by a linearly nonuniform field caused by a high-power femtosecond laser pulse is considered. A decrease in the magnetization of the film due to an increase in its temperature can be used to account for the effect of light on wave propagation. The stepwise transformation of the trajectories of propagating waves that is synchronous with the time parameters of the femtosecond pulse is revealed. The transformation of trajectories is interpreted using the method of isofrequency curves and the Hamilton–Auld method.

Keywords

surface magnetostatic waves, femtosecond laser pulse, method of isofrequency curves, Hamilton–Auld method

References

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