Resonance effects of millimeter wave electromagnetic radiation on spin-spin proton interaction characteristics in water media

Ye. A. Andreyev

doi:10.1117/12.183040

19 August 1994 Resonance effects of millimeter wave electromagnetic radiation on spin-spin proton interaction characteristics in water media

Ye. A. Andreyev

Author Affiliations +

Proceedings Volume 2211, Millimeter and Submillimeter Waves; (1994) https://doi.org/10.1117/12.183040
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

An influence of low intensity mm-wavelength radiation on spin-spin relaxation time T₂ of protons in oxygen aqueous solutions was studied. Oxygen was brought in the system by the catalytic decomposition of the hydrogen peroxide. An own heterogeneity of the relaxometer was used to observe the dynamics of medium diffusion characteristics. The value of the slow component of the magnetization decreasing of the induced signal was shown to depend in sharp resonance way on the external electromagnetic field frequency under the power density P < 1 (mu) W/cm². While rising up the power density to 5.0 mW/cm² in the same frequency range the increasing of spin-spin relaxation time dispersions observed.

Citation Download Citation

Ye. A. Andreyev "Resonance effects of millimeter wave electromagnetic radiation on spin-spin proton interaction characteristics in water media", Proc. SPIE 2211, Millimeter and Submillimeter Waves, (19 August 1994); https://doi.org/10.1117/12.183040

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