On combining the beam path of similar wavelength lasers for dual-laser Thomson scattering

2021 ◽  
Vol 92 (7) ◽  
pp. 073001
Author(s):  
O. McCormack ◽  
L. Giudicotti ◽  
A. Fassina ◽  
R. Pasqualotto
Keyword(s):  
Thomson Scattering ◽  
Beam Path ◽  
Dual Laser

Dual-laser, self-calibrating Thomson scattering measurements in RFX-mod

2017 ◽  
Vol 59 (5) ◽  
pp. 055021 ◽  
Author(s):  
O McCormack ◽  
L Giudicotti ◽  
A Fassina ◽  
R Pasqualotto
Keyword(s):  
Thomson Scattering ◽  
Scattering Measurements ◽  
Dual Laser

scholarly journals Dual-laser wavelength Thomson scattering at Wendelstein 7-X

2018 ◽  
Vol 89 (10) ◽  
pp. 10C115 ◽  
Author(s):  
E. Pasch ◽  
M. N. A. Beurskens ◽  
S. A. Bozhenkov ◽  
G. Fuchert ◽  
R. C. Wolf ◽  
...  
Keyword(s):  
Thomson Scattering ◽  
Laser Wavelength ◽  
Dual Laser

Ultraviolet Absorption of Refractory Elements by a Dual Laser Plasma Method

1988 ◽  
Vol 102 ◽  
pp. 243-246
Author(s):  
J.T. Costello ◽  
W.G. Lynam ◽  
P.K. Carroll
Keyword(s):  
Absorption Spectra ◽  
Laser Plasma ◽  
Optical Pulse ◽  
Ionic Species ◽  
Neutral Species ◽  
Plasma Method ◽  
Plasma Technique ◽  
Refractory Elements ◽  
Delay Times ◽  
Dual Laser

AbstractThe dual laser-produced plasma technique for the study of ionic absorption spectra has been developed by the use of two Q-switched ruby lasers to enable independent generation of the absorbing and back-lighting plasmas. Optical pulse handling is used in the coupling cicuits to enable reproducible pulse delays from 250 nsec. to 10 msec, to be achieved. At delay times > 700 nsec. spectra of essentially pure neutral species are observed. The technique is valuable, not only for obtaining the neutral spectra of highly refractory and/or corrosive materials but also for studying behaviour of ionic species as a function of time. Typical spectra are shown in Fig. 1.

THOMSON SCATTERING WITH A HIGH BACKGROUND LEVEL OF PLASMA RADIATION

1979 ◽  
Vol 40 (C7) ◽  
pp. C7-851-C7-852
Author(s):  
B. Van der Sijde ◽  
T. Poorter ◽  
S. Adema ◽  
B. F.M. Pots ◽  
D. C. Schram
Keyword(s):  
Background Level ◽  
Thomson Scattering ◽  
Plasma Radiation ◽  
High Background

Thomson scattering diagnostic systems in ITER

2016 ◽  
Vol 11 (01) ◽  
pp. C01052-C01052 ◽  
Author(s):  
M. Bassan ◽  
P. Andrew ◽  
G. Kurskiev ◽  
E. Mukhin ◽  
T. Hatae ◽  
...  
Keyword(s):  
Thomson Scattering ◽  
Diagnostic Systems ◽  
Thomson Scattering Diagnostic

Studies of spectral line merging in a laser-induced hydrogen plasma diagnosed with two-color Thomson scattering

2021 ◽  
Vol 103 (6) ◽  
Author(s):  
Krzysztof Dzierżęga ◽  
Franciszek Sobczuk ◽  
Evgeny Stambulchik ◽  
Bartłomiej Pokrzywka
Keyword(s):  
Spectral Line ◽  
Hydrogen Plasma ◽  
Thomson Scattering
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