Search Results - "DREYFUS, R. W"

CN temperatures above laser ablated polyimide by Dreyfus, R. W.

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UV Optical Absorption of Matrices Used for Matrix-assisted Laser Desorption/Ionization by Allwood, D. A., Dreyfus, R. W., Perera, I. K., Dyer, P. E.

“…Previous modelling of the matrix‐assisted laser desorption/ionization (MALDI) process has had to rely on matrix solution optical absorptivities whereas the…”
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Photochemical cleavage of a polymeric solid: details of the ultraviolet laser ablation of poly(methyl methacrylate) at 193 nm and 248 nm by Srinivasan, R, Braren, B, Seeger, D. E, Dreyfus, R. W

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Laser-induced fluorescence studies of excimer laser ablation of Al2O3 by DREYFUS, R. W, KELLY, R, WALKUP, R. E

“…We have used laser-induced fluorescence to measure the energy distributions of Al atoms and AlO molecules produced by excimer laser ablation of Al2O3. Excimer…”
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Electronic probe measurements of pulsed copper ablation at 248 nm by VON GUTFELD, R. J, DREYFUS, R. W

“…We have used a single wire probe to measure time of flight velocities for copper photoablated with a 248 nm pulsed excimer laser. For the range of fluences,…”
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Delayed release of Li atoms from laser ablated lithium niobate by Chaos, J. A., Dreyfus, R. W., Perea, A., Serna, R., Gonzalo, J., Afonso, C. N.

“…The present vapor-phase optical (atomic) absorption measurements study the escape dynamics of Li atoms from a LiNbO3 target surface upon laser ablation in…”
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Studies of excimer laser ablation of solids using a Michelson interferometer by WALKUP, R. E, JASINSKI, J. M, DREYFUS, R. W

“…A Michelson interferometer has been used as a direct quantitative probe for gas phase plasma formation in the UV excimer laser ablation of solids. Excimer…”
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2D modeling of laser-induced plume expansion near the plasma ignition threshold by Le, H.C., Vuillon, J., Zeitoun, D., Marine, W., Sentis, M., Dreyfus, R.W.

“…An axisymetric two-dimensional modeling of laser-induced plume dynamics near the plasma ignition threshold in the ambient gas is carried out to provide a…”
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Optical diagnostics of low pressure plasmas by Dreyfus, R. W., Jasinski, J. M., Walkup, R. E., Selwyn, G. S.

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Laser optogalvanic detection of molecular ions by WALKUP, R, DREYFUS, R. W, AVOURIS, P

“…This letter reports the first optogalvanic detection of molecular ions (N2(+), CO(+)). The present results indicate a new optogalvanic mechanism involving…”
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Detection of SiH2 in silane and disilane glow discharges by frequency modulation absorption spectroscopy by JASINSKI, J. M, WHITTAKER, E. A, BJORKLUND, G. C, DREYFUS, R. W, ESTES, R. D, WALKUP, R. E

“…The reactive species SiH2 has been directly observed in dc glow discharges using the technique of frequency modulation absorption spectroscopy. The spatial…”
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Laser energy deposition at sapphire surfaces studied by pulsed photothermal deformation by DREYFUS, R. W, MCDONALD, F. A, VON GUTFELD, R. J

“…A surface deformation technique measures the energy deposited in sapphire surfaces irradiated by focused excimer laser light. The absorbed energy creates ≲3…”
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Photochemical cleavage of a polymeric solid: details of the ultraviolet laser ablation of poly(methyl methacrylate) at 193 and 248 nm by SRINIVASAN, R, BRAREN, B, SEEGER, D. E, DREYFUS, R. W

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Laser detection of diatomic products of plasma sputtering and etching by WALKUP, R, AVOURIS, P, DREYFUS, R. W, JASINSKI, J. M, SELWYN, G. S

“…We report on in situ detection of diatomic products of plasma sputtering and reactive ion etching using the technique of laser-induced fluorescence. The…”
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Laser ablation of YBa2Cu3O7-δ as probed by laser-induced fluorescence spectroscopy by OTIS, C. E, DREYFUS, R. W

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Surface deformation measurements following excimer laser irradiation of insulators by VON GUTFELD, R. J, MCDONALD, F. A, DREYFUS, R. W

“…We have studied the surface deformation of polyimide and Pyrex glass samples resulting from local excitation with pulsed 193 nm excimer laser radiation. The…”
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Electron-Beam Excitation of the Nitrogen Laser by Dreyfus, R. W., Hodgson, R. T.

“…Stimulated emission near 3371 Å is reported for the first time using a commercial electron-beam generator as an energy source. A 2 × 103-A/cm2 3-nsec pulse of…”
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Optical spectroscopy of emission from Si—SiOx nanoclusters formed by laser ablation by Movtchan, I.A., Marine, W., Dreyfus, R.W., Le, H.C., Sentis, M., Autric, M.

“…This paper reports an experimental study of optical emission from Si—SiOx nanoclusters in a laser-induced plasma plume produced by conventional laser ablation…”
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Ambient gas effects during the growth of lithium niobate films by pulsed laser deposition by Chaos, J.A, Perea, A, Gonzalo, J, Dreyfus, R.W, Afonso, C.N, Perrière, J

“…The density of Li atoms in the plume generated by laser ablation of LiNbO 3 has been studied using optical absorption spectroscopy in different environments…”
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Shock wave introduction of gas into relativistic e-beam-pumped lasers and drift tubes by Dreyfus, R. W.

“…The pressure differential across a shock wave provides the low pressure required to launch an electron beam from a field-emission cathode and the high pressure…”
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