Zobrazeno 1 - 10
of 32
pro vyhledávání: '"S, Kaesdorf"'
Publikováno v:
Journal of Chromatography A. 1058:39-49
A mobile, field applicable resonance enhanced multiphoton ionisation–time-of-flight mass spectrometer (REMPI–TOFMS) for direct-inlet gas-phase analysis as well as for characterisation of solid samples, has been developed. For solid-sample analysi
Publikováno v:
Analytical Chemistry. 76:6753-6764
This paper reports on a newly developed mobile mass spectrometer for comprehensive on-line analysis of complex gas mixtures such as ambient air or industrial process gases. Three ionization methods, namely, the resonance-enhanced multiphoton ionizati
Publikováno v:
International Journal of Mass Spectrometry and Ion Processes. 172:229-238
The operation principle and the performance of a variable-volume selective TOF mass spectrometer are discussed in detail. Lateral confinement is achieved with an appropriate entrance aperture. Width and location of the axial confinement are establish
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 97:1688-1691
A new reflecting time of flight mass spectrometer is described which allows to display absolute saturation of laser ionization. For each specific charge q/m the new TOF instrument creates two ion bunches containing the ions originating respectively i
Publikováno v:
International Journal of Mass Spectrometry and Ion Processes. 116:219-247
Non-resonant multiphoton ionization experiments on sputtered neutral particles have been performed with nanosecond and picosecond laser pulses. The ionization yields for particles removed from copper and silicon samples have been measured with respec
Publikováno v:
Excimer Lasers ISBN: 9789048143955
A new reflecting time of flight mass spectrometer is described which allows to display absolute saturation of laser ionization. For each speciflc charge q/m the new TOF instrument creates two ion bunches containing the ions originating respectively i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1daa4d7ea41e527c015a8cf2e0a5ca70
https://doi.org/10.1007/978-94-015-8104-2_11
https://doi.org/10.1007/978-94-015-8104-2_11
Publikováno v:
Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering ISBN: 9783540514336
Durch den Einsatz von Lasern lassen sich bei geeigneter Prozesfuhrung sowohl die Quantifizierbarkeit wie die Empfindlichkeit klassischer Analyseverfahren steigern. Dies soll fur den Fall der SALI-Methode (Surface Analysis by Laser Ionization (Ref.1))
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b664d6c4c2e463559f8a5033ae876b8
https://doi.org/10.1007/978-3-642-48372-1_203
https://doi.org/10.1007/978-3-642-48372-1_203
Publikováno v:
Vacuum. 41:1669-1670
Ionization experiments of sputtered neutral atoms have been performed using a KrF excimer laser in conjunction with an energy-selective mass spectrometer. Off-resonance laser ionization has promising perspectives for SNMS (Sputtered Neutrals Mass Spe
Publikováno v:
Physical Review Letters. 54:885-888
A photoionization experiment on free oriented molecules in the gas phase has been performed. ${\mathrm{CH}}_{3}$I molecules in a supersonic beam have been oriented with respect to the molecular axis parallel to an external field by use of an electric
Autor:
G. Haas, O. Gruber, G. Janeschitz, H. Herrmann, E. Holzhauer, A. Eberhagen, K. Krieger, A. Rudyj, K.-H. Steuer, O. Klüber, F. Schneider, W. Sandmann, H.R. Yang, J. V. Hofmann, M. Kornherr, H. Röhr, G. Becker, G. Lisitano, G. Dodel, M. Keilhacker, G. von Gierke, L. Giannone, H. Rapp, K. Steinmetz, G. Siller, F. Mast, J. Neuhauser, E. Simmet, D. Meisel, N. Tsois, K. Hübner, Y. Miura, Ulrich Stroth, L.B. Ran, H. D. Murmann, W. Poschenrieder, H. Niedermeyer, R. Preis, J. Gernhardt, R. Lang, V. Mertens, D. E. Roberts, K. Büchl, U. Schnider, P. Lee, A. Stäbler, K. McCormick, Kenneth W Gentle, S. von Goeler, O. Vollmer, R. Nolte, D. Zasche, J.-M. Noterdaeme, E. Speth, H. M. Mayer, H.-U. Fahrbach, S. Kaesdorf, T. C. Luce, H. Wurz, G. Fussmann, K. Lackner, A. Korotkov, O. Gehre, F. Karger, H. Bruhns, Ewald Müller, E. Glock, Michael Kaufmann, A. Carlson, B. Bomba, F. X. Söldner
Publikováno v:
Journal of Nuclear Materials. :14-23
Investigations of impurity accumulation phenomena in ASDEX are reviewed. There are four different operating regimes where pronounced accumulation is observed and these regimes are also characterized by improved energy confinement. In particular, medi