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Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics. / Stubbe, P.; Stocker, A. J.; Honary, Farideh et al.
In: Journal of Geophysical Research, Vol. 99, No. A4, 01.04.1994, p. 6233-6246.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Stubbe, P, Stocker, AJ, Honary, F, Robinson, TR & Jones, TB 1994, 'Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics.', Journal of Geophysical Research, vol. 99, no. A4, pp. 6233-6246. https://doi.org/10.1029/94JA00023

APA

Stubbe, P., Stocker, A. J., Honary, F., Robinson, T. R., & Jones, T. B. (1994). Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics. Journal of Geophysical Research, 99(A4), 6233-6246. https://doi.org/10.1029/94JA00023

Vancouver

Stubbe P, Stocker AJ, Honary F, Robinson TR, Jones TB. Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics. Journal of Geophysical Research. 1994 Apr 1;99(A4):6233-6246. doi: 10.1029/94JA00023

Author

Stubbe, P. ; Stocker, A. J. ; Honary, Farideh et al. / Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics. In: Journal of Geophysical Research. 1994 ; Vol. 99, No. A4. pp. 6233-6246.

Bibtex

@article{865aa72ef7f943fd89fe85e71fb2f4cd,
title = "Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics.",
abstract = "Simultaneous observations are presented of stimulated electromagnetic emission (SEE) spectra and the anomalous absorption of a diagnostic HF wave, caused by powerful radio waves generated by the Troms{\o} heating facility. The pump frequency was varied in small steps around the third, fourth, and fifth harmonic of the electron gyrofrequency. Systematic variations with pump frequency were observed in the anomalous absorption data and the entirety of SEE properties. The anomalous absorption exhibits a pronounced minimum at a certain pump frequency near (or at) the gyroharmonic in question. Of the SEE properties the strength and discreteness of the downshifted maximum and the width of the downshifted continuum minimize together with the anomalous absorption. Other SEE properties (namely the broad upshifted maximum, the downshifted peak, and the broad symmetrical structure) exist only in well-defined narrow pump frequency ranges near the absorption minimum. Significant quantitative and qualitative differences are found between the SEE properties around the third gyroharmonic on the one hand, and the fourth and fifth gyroharmonics on the other hand.",
keywords = "heating DCS-publications-id, art-82, DCS-publications-personnel-id, 5, 20",
author = "P. Stubbe and Stocker, {A. J.} and Farideh Honary and Robinson, {T. R.} and Jones, {T. B.}",
note = "Copyright (1994) American Geophysical Union.",
year = "1994",
month = apr,
day = "1",
doi = "10.1029/94JA00023",
language = "English",
volume = "99",
pages = "6233--6246",
journal = "Journal of Geophysical Research",
issn = "0148-0227",
publisher = "American Geophysical Union",
number = "A4",

}

RIS

TY - JOUR

T1 - Stimulated Electromagnetic Emissions and Anomalous HF Wave Absorption Near Electron Gyroharmonics.

AU - Stubbe, P.

AU - Stocker, A. J.

AU - Honary, Farideh

AU - Robinson, T. R.

AU - Jones, T. B.

N1 - Copyright (1994) American Geophysical Union.

PY - 1994/4/1

Y1 - 1994/4/1

N2 - Simultaneous observations are presented of stimulated electromagnetic emission (SEE) spectra and the anomalous absorption of a diagnostic HF wave, caused by powerful radio waves generated by the Tromsø heating facility. The pump frequency was varied in small steps around the third, fourth, and fifth harmonic of the electron gyrofrequency. Systematic variations with pump frequency were observed in the anomalous absorption data and the entirety of SEE properties. The anomalous absorption exhibits a pronounced minimum at a certain pump frequency near (or at) the gyroharmonic in question. Of the SEE properties the strength and discreteness of the downshifted maximum and the width of the downshifted continuum minimize together with the anomalous absorption. Other SEE properties (namely the broad upshifted maximum, the downshifted peak, and the broad symmetrical structure) exist only in well-defined narrow pump frequency ranges near the absorption minimum. Significant quantitative and qualitative differences are found between the SEE properties around the third gyroharmonic on the one hand, and the fourth and fifth gyroharmonics on the other hand.

AB - Simultaneous observations are presented of stimulated electromagnetic emission (SEE) spectra and the anomalous absorption of a diagnostic HF wave, caused by powerful radio waves generated by the Tromsø heating facility. The pump frequency was varied in small steps around the third, fourth, and fifth harmonic of the electron gyrofrequency. Systematic variations with pump frequency were observed in the anomalous absorption data and the entirety of SEE properties. The anomalous absorption exhibits a pronounced minimum at a certain pump frequency near (or at) the gyroharmonic in question. Of the SEE properties the strength and discreteness of the downshifted maximum and the width of the downshifted continuum minimize together with the anomalous absorption. Other SEE properties (namely the broad upshifted maximum, the downshifted peak, and the broad symmetrical structure) exist only in well-defined narrow pump frequency ranges near the absorption minimum. Significant quantitative and qualitative differences are found between the SEE properties around the third gyroharmonic on the one hand, and the fourth and fifth gyroharmonics on the other hand.

KW - heating DCS-publications-id

KW - art-82

KW - DCS-publications-personnel-id

KW - 5

KW - 20

U2 - 10.1029/94JA00023

DO - 10.1029/94JA00023

M3 - Journal article

VL - 99

SP - 6233

EP - 6246

JO - Journal of Geophysical Research

JF - Journal of Geophysical Research

SN - 0148-0227

IS - A4

ER -