Second‐Harmonic Plasma Radiation of Magnetically Trapped Electrons in Stellar Coronae

1999 ◽  
Vol 524 (2) ◽  
pp. 961-973 ◽  
Author(s):  
A. V. Stepanov ◽  
B. Kliem ◽  
A. Kruger ◽  
J. Hildebrandt ◽  
V. I. Garaimov
Keyword(s):  
Second Harmonic ◽  
Plasma Radiation ◽  
Trapped Electrons ◽  
Magnetically Trapped

A Multi-Purpose, Multi-Channel Radiospectrograph for the Parkes Telescope

1987 ◽  
Vol 7 (2) ◽  
pp. 197-204 ◽  
Author(s):  
J. Lim ◽  
G. J. Nelson ◽  
A. E. Vaughan
Keyword(s):  
Large Scale ◽  
Second Harmonic ◽  
Plasma Radiation ◽  
Spectral Studies ◽  
Scientific Objective ◽  
Interstellar Scintillation ◽  
Peak Flux ◽  
Flare Stars ◽  
Under Construction ◽  
Compact Sources

AbstractThe design and scientific applications of a 96-channel filter spectrograph of 1 MHz resolution are presented. The spectrograph is currently under construction and will be installed on the Parkes telescope in 1987-1988. Its main scientific objective is dynamic spectral studies of decimetre- and metre-wavelength bursts from flare stars. However, it will also be used for performing large-scale pulsar surveys, and dynamic spectral observations of interplanetary scintillation of compact sources, interstellar scintillation of compact extragalactic sources, and interesting radio sources in general.We show that plasma emission generated in the coronae of flare stars should be detectable at metre- and decimetre-wavelengths. We plan to search for fundamental and second-harmonic plasma radiation by observing in two harmonically related bands, 200 to 250 MHz and 400 to 500 MHz. With noise-adding to stabilize receiver gain, the sensitivity (3σ) of each channel of the spectrograph is ∼ 1.5 Jy for a 1-s integration. Previous studies have reported peak flux densities of up to ∼ 35 Jy and ∼ 12 Jy at 240 MHz and 410 MHz respectively for radio bursts from flare stars.

Giant increase of the second harmonic radiation's absorption during optical poling of oxide glass

2003 ◽  
Vol 50 (8) ◽  
pp. 1237-1244 ◽  
Author(s):  
M. K. Balakirev ◽  
V. A. Smirnov ◽  
L. I. Vostrikova ◽  
I. V. Kityk ◽  
J. Kasperczyk ◽  
...  
Keyword(s):  
Second Harmonic ◽  
Oxide Glass

Test of directional photoionisation models of second harmonic generation in optical fibres

1992 ◽  
Vol 139 (2) ◽  
pp. 133 ◽  
Author(s):  
N.M. Lawandy ◽  
T.J. Driscoll ◽  
C.L. Adler ◽  
N.M. Lawandy
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Optical Fibres
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