TY  - JOUR
A1  - Heuermann, Holger
A1  - Sadeghfam, A.
T1  - Enhanced system architecture for rugged wide band data transmission / Sadeghfam, A. ; Heuermann, H.
JF  - European Radar Conference, 2009 : EuRAD 2009 ; Sept. 30 - Oct. 2 2009, Rome, Italy ; part of the European Microwave Week (EuMW) / sponsored by EuMA, European Microwave Association
Y1  - 2009
SN  - 978-2-87487-014-9
N1  - Proceedings of the 6th European Radar Conference
SP  - 347
EP  - 350
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - CHAP
A1  - Schopp, Christoph
A1  - Heuermann, Holger
T1  - Electrodeless low pressure lamp with bi-static matching at 2.45 GHz
T2  - 2013 European Microwave Conference (EuMC) , Nuremberg
Y1  - 2013
SN  - 978-1-4799-0264-4
SP  - 881
EP  - 884
PB  - IEEE
CY  - Piscataway, NJ
ER  - 
TY  - JOUR
A1  - Heuermann, Holger
A1  - Sadeghfam, Arash
T1  - Electrically tunable bandpass filter with integrated carrier suppression for UHF RFID systems / Sadeghfam, Arash ; Heuermann, Holger
JF  - European Microwave Conference, 2008, EuMC 2008, 38th
Y1  - 2008
SN  - 978-2-87487-006-4
SP  - 1727
EP  - 1730
ER  - 
TY  - JOUR
A1  - Heuermann, Holger
A1  - Sadeghfam, Arash
T1  - Electrically tunable bandpass filter with integrated carrier suppression for UHF RFID systems / Sadeghfam, Arash ; Heuermann, Holger
JF  - European Conference on Wireless Technology, 2008. EuWiT 2008.
Y1  - 2008
SN  - 978-2-87487-008-8
SP  - 306
EP  - 309
ER  - 
TY  - JOUR
A1  - Heuermann, Holger
T1  - Dual mode radio: A new tranceiver architecture for UWB and 60 GHz-applications
JF  - European Conference on Wireless Technology, 2008. EuWiT 2008.
Y1  - 2008
SN  - 978-2-87487-008-8
SP  - 147
EP  - 150
ER  - 
TY  - JOUR
A1  - Schopp, Christoph
A1  - Rohrbach, Felix
A1  - Langer, Luc
A1  - Heuermann, Holger
T1  - Detection of welding wire length by active S11 measurement
JF  - IEEE Transactions on Plasma Science
N2  - A novel method to determine the extruded length of a metallic wire for a directed energy deposition (DED) process using a microwave (MW) plasma jet with a straight-through wire feed is presented. The method is based on the relative comparison of the measured frequency response obtained by the large-signal scattering parameter (Hot-S) technique. In the practical working range, repeatability of less than 6% for a nonactive plasma and 9% for the active plasma state is found. Measurements are conducted with a focus on a simple solution to decrease the processing time and reduce the integration time of the process into the existing hardware. It is shown that monitoring a single frequency for magnitude and phase changes is sufficient to achieve good accuracy. A combination of different measurement values to determine the length is possible. The applicability to different diameter of the same material is shown as well as a contact detection of the wire and metallic substrate.
KW  - Circuit simulation
KW  - Hot S-parameter
KW  - Modeling
KW  - Plasma
KW  - Plasma diagnostics
Y1  - 2024
U6  - http://dx.doi.org/10.1109/TPS.2024.3356659
SN  - 0093-3813 (Print)
SN  - 1939-9375 (Online)
IS  - Early Access
SP  - 1
EP  - 6
PB  - IEEE
ER  - 
TY  - CHAP
A1  - Sadeghfam, Arash
A1  - Sadeghi-Ahangar, A.
A1  - Elgamal, Abdelrahman
A1  - Heuermann, Holger
T1  - Design and Development of a Novel Self-Igniting Microwave Plasma Jet for Industrial Applications
T2  - IEEE MTT-S International Microwave Symposium Digest
Y1  - 2019
SN  - 978-172811309-8
SP  - 63
EP  - 66
ER  - 
TY  - CHAP
A1  - Elgamal, Abdelrahman
A1  - Heuermann, Holger
T1  - Design and Development of a Hot S-Parameter Measurement System for Plasma and Magnetron Applications
T2  - 2020 German Microwave Conference (GeMiC), Cottbus, Germany, 2020
Y1  - 2020
SN  - 978-3-9820397-1-8
SP  - 124
EP  - 127
ER  - 
TY  - CHAP
A1  - Stephan, Achim
A1  - Heuermann, Holger
A1  - Prantner, Michael
T1  - Cutting human tissue with novel atmospheric-pressure microwave plasma jet
T2  - 46th European Microwave Conference (EuMC)
Y1  - 2016
SN  - 978-2-87487-043-9
U6  - http://dx.doi.org/10.1109/EuMC.2016.7824490
SP  - 902
EP  - 905
PB  - IEEE
ER  - 
TY  - JOUR
A1  - Heuermann, Holger
A1  - Peters, N.
A1  - Schmitz, T.
A1  - Sadeghfam, Arash
T1  - Concept of Balanced Antennas with Load-Invariant Base Impedance Using a Two Element LC-Coupler. Peters, N., Schmitz, Th., Sadeghfam, A., Heuermann, H.
JF  - Proceedings of the European microwave association : journal of the European microwave association
Y1  - 2005
SP  - 117
EP  - 122
PB  - PLUS
CY  - Pisa
ER  -