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Jean-Pierre H. van Helden
Jean-Pierre H. van Helden
Head of Department Plasma Diagnostics, Leibniz Institute for Plasma Science and Technology (INP)
Verified email at inp-greifswald.de
Title
Cited by
Cited by
Year
Review on VUV to MIR absorption spectroscopy of atmospheric pressure plasma jets
S Reuter, JS Sousa, GD Stancu, JPH van Helden
Plasma Sources Science and Technology 24 (5), 054001, 2015
1212015
Detailed study of the plasma-activated catalytic generation of ammonia in N2-H2 plasmas
JH Van Helden, W Wagemans, G Yagci, RAB Zijlmans, DC Schram, ...
Journal of applied physics 101 (4), 2007
1012007
Direct and wavelength modulation spectroscopy using a cw external cavity quantum cascade laser
G Hancock, JH Van Helden, R Peverall, GAD Ritchie, RJ Walker
Applied Physics Letters 94 (20), 2009
872009
Demonstration of a mid-infrared cavity enhanced absorption spectrometer for breath acetone detection
L Ciaffoni, G Hancock, JJ Harrison, JPH van Helden, CE Langley, ...
Analytical chemistry 85 (2), 846-850, 2013
752013
Sensitive trace gas detection with cavity enhanced absorption spectroscopy using a continuous wave external-cavity quantum cascade laser
JH van Helden, N Lang, U Macherius, H Zimmermann, J Röpcke
Applied Physics Letters 103, 131114, 2013
612013
Production Mechanisms of NH and NH2 Radicals in N2−H2 Plasmas
JH Van Helden, PJ Van Den Oever, WMM Kessels, MCM Van De Sanden, ...
The Journal of Physical Chemistry A 111 (45), 11460-11472, 2007
542007
Optical feedback cavity-enhanced absorption spectroscopy with a 3.24 μm interband cascade laser
KM Manfred, GAD Ritchie, N Lang, J Röpcke, JH Van Helden
Applied Physics Letters 106 (22), 2015
442015
Controlling the emission profile of an H2 discharge lamp to simulate interstellar radiation fields
NFW Ligterink, DM Paardekooper, KJ Chuang, ML Both, GA Cruz-Diaz, ...
Astronomy & Astrophysics 584, A56, 2015
422015
Density and production of NH and NH2 in an Ar–NH3 expanding plasma jet
PJ Van den Oever, JH Van Helden, CCH Lamers, R Engeln, DC Schram, ...
Journal of applied physics 98 (9), 2005
412005
Phase-shift cavity ring-down spectroscopy to determine absolute line intensities
JH Van Helden, DC Schram, R Engeln
Chemical physics letters 400 (4-6), 320-325, 2004
402004
Sensitive CH4 detection applying quantum cascade laser based optical feedback cavity-enhanced absorption spectroscopy
N Lang, U Macherius, M Wiese, H Zimmermann, J Röpcke, ...
Optics Express 24 (6), A536-A543, 2016
382016
N, NH, and NH2 radical densities in a remote Ar–NH3–SiH4 plasma and their role in silicon nitride deposition
PJ Van Den Oever, JH Van Helden, JL Van Hemmen, R Engeln, ...
Journal of Applied Physics 100 (9), 2006
362006
Cavity enhanced techniques using continuous wave lasers
JH Van Helden, R Peverall, GAD Ritchie, G Berden, R Engeln
Cavity Ring-Down Spectroscopy: Techniques and Applications, 27-56, 2009
352009
HO2 reaction kinetics in an atmospheric pressure plasma jet determined by cavity ring-down spectroscopy
M Gianella, S Reuter, SA Press, A Schmidt-Bleker, JH Van Helden, ...
Plasma Sources Science and Technology 27 (9), 095013, 2018
342018
Application of quantum cascade lasers in studies of low-pressure plasmas: Characterization of rapid passage effects on density and temperature measurements
JH Van Helden, SJ Horrocks, GAD Ritchie
Applied Physics Letters 92 (8), 2008
332008
Detection of HO2 in an atmospheric pressure plasma jet using optical feedback cavity-enhanced absorption spectroscopy
M Gianella, S Reuter, AL Aguila, GAD Ritchie, JPH van Helden
New Journal of Physics 18 (11), 113027, 2016
322016
Applications of midinfrared quantum cascade lasers to spectroscopy
G Hancock, G Ritchie, JP van Helden, R Walker, D Weidmann
Optical Engineering 49 (11), 111121-111121-7, 2010
322010
Characterization of an external cavity diode laser based ring cavity NICE-OHMS system
CL Bell, G Hancock, R Peverall, GAD Ritchie, JH Van Helden, ...
Optics express 17 (12), 9834-9839, 2009
322009
Bulk and surface defects in a-Si: H films studied by means of the cavity ring down absorption technique
AHM Smets, JH Van Helden, MCM Van de Sanden
Journal of non-crystalline solids 299, 610-614, 2002
292002
High-performance GaAs/AlAs terahertz quantum-cascade lasers for spectroscopic applications
L Schrottke, X Lu, B Roben, K Biermann, T Hagelschuer, M Wienold, ...
IEEE Transactions on Terahertz Science and Technology 10 (2), 133, 2020
282020
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