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High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic

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High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic. / Kosch, M. J.; Rietveld, M. T.; Kavanagh, A. J. et al.
In: Geophysical Research Letters, Vol. 29, No. 23, 10.12.2002, p. 2112-2115.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Kosch, MJ, Rietveld, MT, Kavanagh, AJ, Davis, C, Yeoman, TK, Honary, F & Hagfors, T 2002, 'High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic', Geophysical Research Letters, vol. 29, no. 23, pp. 2112-2115. https://doi.org/10.1029/2002GL015744

APA

Vancouver

Kosch MJ, Rietveld MT, Kavanagh AJ, Davis C, Yeoman TK, Honary F et al. High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic. Geophysical Research Letters. 2002 Dec 10;29(23):2112-2115. doi: 10.1029/2002GL015744

Author

Kosch, M. J. ; Rietveld, M. T. ; Kavanagh, A. J. et al. / High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic. In: Geophysical Research Letters. 2002 ; Vol. 29, No. 23. pp. 2112-2115.

Bibtex

@article{adde783cbf0646dda7442c4b2056a681,
title = "High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic",
abstract = "It has been long established that high-power O-mode HF pumping of the ionosphere can produce artificial optical emissions. 630 nm O(1D) photons are produced by pump-accelerated electrons colliding with the F-layer neutral oxygen. However, the mechanism for artificial electron acceleration remains unclear. Competing theories include Langmuir and upper-hybrid turbulence. Pump-induced HF coherent radar backscatter power is closely linked with upper-hybrid turbulence, both of which are known to reduce when pumping on an electron gyro-harmonic frequency. On 3 November 2000, the EISCAT HF facility was systematically stepped in frequency through the 3rd gyro-harmonic. A significant reduction in the artificial optical intensity coincides with that of CUTLASS radar backscatter power. This is conclusive proof that upper-hybrid turbulence is intimately linked to the mechanism for high-latitude pump-induced aurora, at least for 630 nm photons and the steady state.",
keywords = "heating DCS-publications-id, art-377, DCS-publications-credits, dasi, iono-fa, DCS-publications-personnel-id, 7, 9, 5, 56",
author = "Kosch, {M. J.} and Rietveld, {M. T.} and Kavanagh, {A. J.} and C. Davis and Yeoman, {T. K.} and F. Honary and T. Hagfors",
year = "2002",
month = dec,
day = "10",
doi = "10.1029/2002GL015744",
language = "English",
volume = "29",
pages = "2112--2115",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "23",

}

RIS

TY - JOUR

T1 - High-latitude pump-induced optical emissions for frequencies close to the third electron gyro-harmonic

AU - Kosch, M. J.

AU - Rietveld, M. T.

AU - Kavanagh, A. J.

AU - Davis, C.

AU - Yeoman, T. K.

AU - Honary, F.

AU - Hagfors, T.

PY - 2002/12/10

Y1 - 2002/12/10

N2 - It has been long established that high-power O-mode HF pumping of the ionosphere can produce artificial optical emissions. 630 nm O(1D) photons are produced by pump-accelerated electrons colliding with the F-layer neutral oxygen. However, the mechanism for artificial electron acceleration remains unclear. Competing theories include Langmuir and upper-hybrid turbulence. Pump-induced HF coherent radar backscatter power is closely linked with upper-hybrid turbulence, both of which are known to reduce when pumping on an electron gyro-harmonic frequency. On 3 November 2000, the EISCAT HF facility was systematically stepped in frequency through the 3rd gyro-harmonic. A significant reduction in the artificial optical intensity coincides with that of CUTLASS radar backscatter power. This is conclusive proof that upper-hybrid turbulence is intimately linked to the mechanism for high-latitude pump-induced aurora, at least for 630 nm photons and the steady state.

AB - It has been long established that high-power O-mode HF pumping of the ionosphere can produce artificial optical emissions. 630 nm O(1D) photons are produced by pump-accelerated electrons colliding with the F-layer neutral oxygen. However, the mechanism for artificial electron acceleration remains unclear. Competing theories include Langmuir and upper-hybrid turbulence. Pump-induced HF coherent radar backscatter power is closely linked with upper-hybrid turbulence, both of which are known to reduce when pumping on an electron gyro-harmonic frequency. On 3 November 2000, the EISCAT HF facility was systematically stepped in frequency through the 3rd gyro-harmonic. A significant reduction in the artificial optical intensity coincides with that of CUTLASS radar backscatter power. This is conclusive proof that upper-hybrid turbulence is intimately linked to the mechanism for high-latitude pump-induced aurora, at least for 630 nm photons and the steady state.

KW - heating DCS-publications-id

KW - art-377

KW - DCS-publications-credits

KW - dasi

KW - iono-fa

KW - DCS-publications-personnel-id

KW - 7

KW - 9

KW - 5

KW - 56

U2 - 10.1029/2002GL015744

DO - 10.1029/2002GL015744

M3 - Journal article

VL - 29

SP - 2112

EP - 2115

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 23

ER -