Effect of filament supports on emissive probe measurements

2013 ◽  
Vol 84 (1) ◽  
pp. 013506 ◽  
Author(s):  
X. Wang ◽  
C. T. Howes ◽  
M. Horányi ◽  
S. Robertson
Keyword(s):  
Probe Measurements ◽  
Emissive Probe

Emissive probe measurements of plasma potential fluctuations in the edge plasma regions of tokamaks

2003 ◽  
Vol 74 (3) ◽  
pp. 1583-1587 ◽  
Author(s):  
P. Balan ◽  
R. Schrittwieser ◽  
C. Ioniţă ◽  
J. A. Cabral ◽  
H. F. C. Figueiredo ◽  
...  
Keyword(s):  
Plasma Potential ◽  
Edge Plasma ◽  
Potential Fluctuations ◽  
Probe Measurements ◽  
Emissive Probe

How plasma parameters fluctuations influence emissive probe measurements

2015 ◽  
Vol 22 (5) ◽  
pp. 053511 ◽  
Author(s):  
G. Bousselin ◽  
N. Plihon ◽  
N. Lemoine ◽  
J. Cavalier ◽  
S. Heuraux
Keyword(s):  
Plasma Parameters ◽  
Probe Measurements ◽  
Emissive Probe

Experimental study of the creation of a fire-rod II: Emissive probe measurements

2003 ◽  
Vol 43 (1) ◽  
pp. 11-24 ◽  
Author(s):  
T. Gyergyek ◽  
M. Čerček ◽  
R. Schrittwieser ◽  
C. Ionita ◽  
G. Popa ◽  
...  
Keyword(s):  
Experimental Study ◽  
The Creation ◽  
Probe Measurements ◽  
Emissive Probe

Identification of earthquakes with the use of Sich-2 probe measurements of ionospheric plasma perturbations

2013 ◽  
Vol 19 (5(84)) ◽  
pp. 16-26
Author(s):  
V.A. Shuvalov ◽  
◽  
D.N. Lazuchenkov ◽  
S.V. Nosikov ◽  
G.S. Kochubey ◽  
...  
Keyword(s):  
Ionospheric Plasma ◽  
Probe Measurements

Pump-Probe Measurements Using Silicon Nanocrystal Waveguides

2003 ◽  
Vol 770 ◽  
Author(s):  
Nathanael Smith ◽  
Max J. Lederer ◽  
Marek Samoc ◽  
Barry Luther-Davies ◽  
Robert G. Elliman
Keyword(s):  
Probe Beam ◽  
Time Resolution ◽  
Pump Beam ◽  
Silicon Nanocrystals ◽  
Continuous Wave ◽  
Optical Gain ◽  
Optical Pump ◽  
Time Resolved ◽  
Pump Probe ◽  
Probe Measurements

AbstractOptical pump-probe measurements were performed on planar slab waveguides containing silicon nanocrystals in an attempt to measure optical gain from photo-excited silicon nanocrystals. Two experiments were performed, one with a continuous-wave probe beam and a pulsed pump beam, giving a time resolution of approximately 25 ns, and the other with a pulsed pump and probe beam, giving a time resolution of approximately 10 ps. In both cases the intensity of the probe beam was found to be attenuated by the pump beam, with the attenuation increasing monotonically with increasing pump power. Time-resolved measurements using the first experimental arrangement showed that the probe signal recovered its initial intensity on a time scale of 45-70 μs, a value comparable to the exciton lifetime in Si nanocrystals. These data are shown to be consistent with an induced absorption process such as confined carrier absorption. No evidence for optical gain was observed.

Soil Moisture Deficits in South-Central Sweden

1989 ◽  
Vol 20 (2) ◽  
pp. 109-122 ◽  
Author(s):  
Lotta Andersson
Keyword(s):  
Soil Moisture ◽  
Field Capacity ◽  
Interannual Variations ◽  
Neutron Probe ◽  
South Central ◽  
Normal Ranges ◽  
Moisture Fluxes ◽  
In The Beginning ◽  
Probe Measurements ◽  
Different Parts

Some commonly used assumptions about climatically induced soil moisture fluxes within years and between different parts of a region were challenged with the help of a conceptual soil moisture model. The model was optimised against neutron probe measurements from forest and grassland sites. Five 10 yrs and one 105 yrs long climatic records, from the province of Östergötland, situated in south-central Sweden, were used as driving variables. It was concluded that some of the tested assumptions should not be taken for granted. Among these were the beliefs that interannual variations of soil moisture contents can be neglected in the beginning of the hydrological year and that soils usually are filled up to field capacity after the autumn recharge. The calculated climatic induced dryness was estimated to be rather insensitive to the choice of climatic stations within the region. Monthly ranges of soil moisture deficits (1883-1987) were shown to be skewed and it is therefore recommended to use medians and standard deviations in statistical analyses of “normal” ranges of soil moisture deficits.

scholarly journals In Situ exploration of the giant planets

2021 ◽  
Author(s):  
O. Mousis ◽  
D. H. Atkinson ◽  
R. Ambrosi ◽  
S. Atreya ◽  
D. Banfield ◽  
...  
Keyword(s):  
Solar System ◽  
Giant Planets ◽  
Atmospheric Composition ◽  
Formation History ◽  
History Of ◽  
Composition Structure ◽  
Galileo Probe ◽  
Probe Measurements

AbstractRemote sensing observations suffer significant limitations when used to study the bulk atmospheric composition of the giant planets of our Solar System. This impacts our knowledge of the formation of these planets and the physics of their atmospheres. A remarkable example of the superiority of in situ probe measurements was illustrated by the exploration of Jupiter, where key measurements such as the determination of the noble gases’ abundances and the precise measurement of the helium mixing ratio were only made available through in situ measurements by the Galileo probe. Here we describe the main scientific goals to be addressed by the future in situ exploration of Saturn, Uranus, and Neptune, placing the Galileo probe exploration of Jupiter in a broader context. An atmospheric entry probe targeting the 10-bar level would yield insight into two broad themes: i) the formation history of the giant planets and that of the Solar System, and ii) the processes at play in planetary atmospheres. The probe would descend under parachute to measure composition, structure, and dynamics, with data returned to Earth using a Carrier Relay Spacecraft as a relay station. An atmospheric probe could represent a significant ESA contribution to a future NASA New Frontiers or flagship mission to be launched toward Saturn, Uranus, and/or Neptune.

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