Laser-Induced Fluorescence Methods for Transient Species Detection in High-Pressure Discharges

2013 ◽  
pp. 273-296
1978 ◽  
Vol 32 (4) ◽  
pp. 381-388 ◽  
Author(s):  
R. M. Measures

A new approach for evaluating, with spatial resolution, the line of sight properties of a specific constituent is proposed. This PROBE (profile resolution obtained by excitation) concept involves the use of two counter-propagating laser pulses; a pump pulse to condition the medium and a probe pulse to interrogate the medium where the pulses overlap. In this way, information regarding the spatial distribution of a species is transformed into temporal information in the form of a change in the amplitude of a returned probe pulse. For certain situations the PROBE technique offers several advantages over scattering or laser induced fluorescence methods. A theoretical formulation of the concept clearly indicates the importance of the lifetime of the pumped state.


2007 ◽  
Vol 23 (3) ◽  
pp. 593-602 ◽  
Author(s):  
Ghislain Singla ◽  
Philippe Scouflaire ◽  
Juan Carlos Rolon ◽  
Sébastien Candel ◽  
Lucien Vingert

2003 ◽  
Vol 375 (3-4) ◽  
pp. 344-349 ◽  
Author(s):  
W.G. Bessler ◽  
C. Schulz ◽  
T. Lee ◽  
J.B. Jeffries ◽  
R.K. Hanson

1997 ◽  
Vol 36 (15) ◽  
pp. 3227 ◽  
Author(s):  
Christof Schulz ◽  
Volker Sick ◽  
Johannes Heinze ◽  
Winfried Stricker

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