justen[at]ph1.uni-koeln.de
CHAI instrumentation, RF design, SIS mixer design, receiver electronics design.
Research interest: Hardware development for superconducting heterodyne receivers.
- 2022-presentCHAI development
- 2011-2022Quantum cascade laser (QCL) development, 4.7 THz local oscillator development for SOFIA, instrument scientist for upGREAT on SOFIA
- 2007-2010Development of SIS and HEB superconducting mixers, instrument scientist for NANTEN2
- 2007-presentPostDoc, University of Cologne
- 2000-2006PhD in physics. Title: Broadband IF Circuits for SIS Mixers for the HIFI Instrument on the Herschel Space Observatory and for Sideband Separating Mixers
- 2000University of Würzburg, Diploma in physics: X-ray circular dichroism, USAXS
