VORÁČ, Jan, Pavel DVOŘÁK, Vojtěch PROCHÁZKA, Tomáš MORÁVEK a Jozef RÁHEĽ. Dependence of laser-induced fluorescence on exciting-laser power: partial saturation and laser – plasma interaction. The European Physical Journal - Applied Physics. EDP Sciences, 2015, roč. 71, č. 2, s. "nestrankovano", 9 s. ISSN 1286-0042. Dostupné z: https://dx.doi.org/10.1051/epjap/2015150022. |
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@article{1308335, author = {Voráč, Jan and Dvořák, Pavel and Procházka, Vojtěch and Morávek, Tomáš and Ráheľ, Jozef}, article_number = {2}, doi = {http://dx.doi.org/10.1051/epjap/2015150022}, keywords = {laser-induced fluorescence; least-squares fitting; partial saturation; lifetime}, language = {eng}, issn = {1286-0042}, journal = {The European Physical Journal - Applied Physics}, title = {Dependence of laser-induced fluorescence on exciting-laser power: partial saturation and laser – plasma interaction}, url = {http://www.epjap.org/articles/epjap/abs/2015/08/ap150022/ap150022.html}, volume = {71}, year = {2015} }
TY - JOUR ID - 1308335 AU - Voráč, Jan - Dvořák, Pavel - Procházka, Vojtěch - Morávek, Tomáš - Ráheľ, Jozef PY - 2015 TI - Dependence of laser-induced fluorescence on exciting-laser power: partial saturation and laser – plasma interaction JF - The European Physical Journal - Applied Physics VL - 71 IS - 2 SP - "nestrankovano" EP - "nestrankovano" PB - EDP Sciences SN - 12860042 KW - laser-induced fluorescence KW - least-squares fitting KW - partial saturation KW - lifetime UR - http://www.epjap.org/articles/epjap/abs/2015/08/ap150022/ap150022.html L2 - http://www.epjap.org/articles/epjap/abs/2015/08/ap150022/ap150022.html N2 - In recent publications on laser-induced fluorescence (LIF), the measurements are usually constricted to the region of weak exciting-laser power – the so called linear LIF. In this work, a practical formula F(E_L) = (alpha) *E_L / (1+(beta)*E_L) describing the dependence of partially saturated fluorescence on the exciting-laser power is derived, together with practical implementation suggestions and comments on its limitations. In the conclusion, the practical formula is proposed with the limitation for validity (beta)*EL = 0.4, where (alpha)*EL is the hypothetical linear fluorescence without saturation effects, and a more general formula is derived, which is valid for higher values of (alpha)*EL as well. Extending the range of exciting laser power to the region of partial saturation enhances the signal-to-noise ratio. Such measurements in a surface dielectric barrier discharge further reveal discharge disruption by photoelectrons emitted from the dielectric surface. Methods of control and solution of this problem are discussed. ER -
VORÁČ, Jan, Pavel DVOŘÁK, Vojtěch PROCHÁZKA, Tomáš MORÁVEK a Jozef RÁHEĽ. Dependence of laser-induced fluorescence on exciting-laser power: partial saturation and laser – plasma interaction. \textit{The European Physical Journal - Applied Physics}. EDP Sciences, 2015, roč.~71, č.~2, s.~''nestrankovano'', 9 s. ISSN~1286-0042. Dostupné z: https://dx.doi.org/10.1051/epjap/2015150022.
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