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  1. No Access

    Article

    Thermometry of gas layers in thermal plasma CVD by pulsed-laser Rayleigh scattering

    The application of Pulsed-Laser Rayleigh Scattering Thermometry (PLRST) to Chemical Vapor Deposition (CVD) processing of diamond films in a thermal induction plasma is demonstrated. Temperature profiles were m...

    J. Larjo, J. Vattulainen, R. Hernberg in Applied Physics B (1996)

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    Article

    Atomic hydrogen concentration map** in thermal plasma chemical vapour deposition

    Two-dimensional maps of atomic hydrogen concentration in reactive gas layers were measured using two-photon laser-induced fluorescence. The measurements were made in conditions of diamond-film chemical vapour ...

    J. Larjo, J. Walewski, R. Hernberg in Applied Physics B (2001)

  3. No Access

    Article

    Reverse-Flow Swirl Radio-Frequency Induction Plasmatron

    Experimentally observed modes of an rf induction (RFI) discharge in argon with reverse-flow swirl stabilization are described. The data on the simulation of RFI plasmatrons are analyzed; it is demonstrated tha...

    A. F. Gutsol, J. Larjo, R. Hernberg in High Temperature (2001)

  4. No Access

    Article

    Two-dimensional atomic hydrogen concentration maps in hot-filament diamond-deposition environment

    This paper reports the two-dimensional map** of atomic hydrogen concentration with two-photon excited laser induced fluorescence in a multi-wire grid hot-filament chemical vapor deposition reactor. The measu...

    J. Larjo, H. Koivikko, K. Lahtonen, R. Hernberg in Applied Physics B (2002)

  5. No Access

    Article

    Comparative Calorimetric Study of ICP Generator with Forward-Vortex and Reverse-Vortex Stabilization

    Different methods of ICP stabilization are discussed, including the Reverse Vortex Stabilization, for which no previous well-described implementation is in science literature. Comparative calorimetric study wa...

    A. Gutsol, J. Larjo, R. Hernberg in Plasma Chemistry and Plasma Processing (2002)

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    Chapter and Conference Paper

    PIV Methods for Turbulent Bubbly Flow Measurements

    Analysis of particle properties in dispersed multiphase flow and simultaneous determination of velocity fields for both phases is main concern in the study of many industrial problems. Particle Image Velocimet...

    M. Honkanen, P. Saarenrinne, J. Larjo in Particle Image Velocimetry: Recent Improvements (2004)