Curriculum vitae

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Fields of Interest

  • dynamics in living cells by chemical imaging in the infrared on microscales and nanoscales
  • development of infrared microscopes and nanoscopes
  • time resolved THz spectroscopy of molecules in the gas phase and of liquid samples, especially proteins in solution
  • THz cavity enhanced, ATR (attenuated total reflection) and cavity ringdown techniques
  • sub-ps THz time domain spectroscopy (THz-TDS)
  • THz imaging of solid samples in collaboration with the centre of medical technology at the Ruhr-University and with Agilent Technologies
  • THz spectroscopy and evaluation of semiconductor structures, quantum wells and quantum dots in collaboration with physics and engineering departments at the Ruhr-University and quantum cascade lasers with the company Laser Components
  • semiconductor physics, laser physics, cosmology, astrophysics, new technologies.
  • quantum mechanics in semiconductors and in supramolecules (biomolecules)

My past and current positions and tasks involve basic and applied research, theoretical and experimental work. My past work focused on semiconductor device fabrication for an aerospace application for problems in astrophysics and THz spectroscopy. My interests are widespread in many aspects of biology, physical chemistry, biotechnology, and sensors. In my current position I tackle problems related to physical chemistry, plasma diagnostics, biochemistry and life science.

Honors and Awards

Patent

Doping of germanium and silicon crystals with non-hydrogenic acceptors for far infrared lasers, Inventors: Eugene E. Haller, Erik Bründermann; U.S. Patent number 6,011,810; Date: 4 January 2000.

Experience and Research abroad

  • Center for Advanced Materials (Lawrence Berkeley National Laboratory) and Center for Particle Astrophysics (CPfA at UC Berkeley, today Berkeley Cosmology Group), California, USA, Prof. E.E. Haller, 2/95-7/95, 1/10/97-30/9/99. See also: MicroLab. Selected publications in Appl. Phys. Lett.: APL 73, 2757 (1998), on near CW Ge lasers; APL 73, 723 (1998), on Si lasers; APL 68, 1359 (1996); APL 68, 3075 (1996).
  • NICT National Institute of Communication and Technology, Tokyo, Japan, Dr. N. Hiromoto and Dr. I. Hosako, 11/95, 8/97-9/97, 2000, Center of Excellence program, study of Ge:Ga laser emission using stressed Ge:Ga detectors, Ge maser, and see also this NICT Webpage (former: Ministry of Posts & Telecommunications, Communications Research Laboratory).

Short Visits:

  • Institute for Physics of Microstructures, Nizhny Novgorod,Russia, (former Institute for Applied Physics), Prof. A.A. Andronov, Dr. V.N. Shastin, Project #95-24-01 by INCAS - The International Center For Advanced Studies, in 10/95, Ge:Ga laser emission resolved by far-infrared grating spectrometer and Schottky diode detector, in 9/91.
  • Institute of Solid State Electronics, Vienna University of Technology, Austria, Prof. E. Gornik, Local contact: Dr. W. Heiß,in 11/94, APL 67, 3543 (1995).
  • Kuiper Airborne Observatory (KAO), NASA Ames, California,USA, Prof. J. Schmid-Burgk, Prof. H.P. Röser, in 9/93, two KAO astronomical observation flights: investigation of N+ fine-structure emission lines at 203.5 µm in the objects DR21, S106, W49. Pictures of the mission.
  • Heriot-Watt-University, Edinburgh, United Kingdom, Prof. C.R. Pidgeon, 7/93, Pidgeon and Brown quasi germanium model.
  • High Magnetic Field Laboratory of MPIfF and C.N.R.S., Grenoble, France, Prof. P. Wyder, Local contact: Dr. J.J. Koning, in 4/93, Proposal SE3992: "Direct detection of Si-laseremission".
  • University Essex, Colchester, United Kingdom, Prof. M.F. Kimmitt, in 9/92, 2/93, and 8/93, optical pumping experiments of Ge:Ga and Si:B with Q-switched CO2-laser, fabrication of superconducting magnetic coils.

Teaching Experience

  • head of undergraduate B.Sc. physical chemistry experimental courses and seminars (4. Term compulsory courses for main field biochemistry and chemistry students and for students who progress to the master of education at Ruhr-University Bochum - 16 hours/week + 2 office hours/week for seminar preparation of approx. 120 students in the summer semester).
  • supervisor of 6. Term (M.Sc.) chemistry and biochemistry advanced practical course in microscopy
  • supervisor of 7. Term biochemistry modules: infrared laser scanning microscopy of living cells
  • supervisor and lecturer of students from biochemistry, chemistry, and physics in problem solving classes (thermodynamics, quantum mechanics, spectroscopy), seminars, and during experimenal work of B.Sc., M.Sc., diploma and Ph.D. candidates at Ruhr-University Bochum.
  • Previous teaching:
  • occasional lectures taught at UC Berkeley and at the Technical University Berlin and in group seminars at DLR, LBNL, CfPA/UCB (until 1999).
  • volunteer public lecturer at Sternwarte Neanderhöhe Hochdahl e.V. (1986-1988); four full semester courses: AG Pascal - introduction into programming; C - programming, introduction to "C"; calculation of ephemerides I and II - space mechanics. Snh is an observatory, planetarium and a public education center for the education of children and adults in astronomy and science.

Skills and Laboratory Experience

  • far-infrared techniques and materials.
  • cryogenics, liquid helium technology.
  • vacuum systems, closed-cycle refrigerators.
  • high voltage and high current technology, pulse generator design.
  • superconductors, high magnetic fields.
  • spectroscopy - spectrometers: Fourier Transform, blazed and lamella gratings, Fabry-Perot.
  • semiconductor processing: Si, Ge, SiGe, cutting, lapping, dicing, polishing, structuring, etching.
  • fast electronics, THz direct detectors (InSb, GaAs, Ge detectors)and heterodyne mixers (Schottky diodes, NbN - hot electron superconducting bolometers).
  • semiconductor THz lasers, CO2-optically pumped far-infrared molecular lasers.
  • metals and dielectrics processing on machine shop laze and mill.
  • Languages: German (native), English (fluent), French, Japanese (in progress).
  • Computer: programming computers since 1980; scientific software development; mathematical modeling; image processing; Monte Carlo simulation; finite difference and finite element calculations. Data and word processing: Word, LaTex, Excel, Powerpoint, and a variety of others applications. X-Terminal, Workstation, PC; UNIX, Windows, DOS, VMS; Assembler, Basic, Pascal, FORTRAN, Forth, C; Mathematica, Matlab, LabView, Java, HTML.
  • Computer-Graphics: POVRay, webmaster of department, network admistration and design of the chair physical chemistry II, 3D imaging.
  • CAD: Inventor(3D), PC-draft (2D)

Course Work (Friedrich-Wilhelms University Bonn 1985-1994)

  • Physics: experimental physics: experiments and courses in optics, mechanics, electronics, nuclear physics; exam: elementary particle physics; examiner: Prof. Heinloth, University Bonn, Dept. of Experimental Physics; applied physics: radio astronomy; examiner: Prof. Mebold, University Bonn, Dept. of Astronomy; theoretical physics: mechanics, electrodynamics, quantum theory, QED, QCD, cosmology; examiner: Prof. Meetz, University Bonn, Dept. of Theoretical Physics; seminar presentation: Chiral Anomalies& Differential Geometry, Relativity, Group & Topology in Quantum Field Theory, Prof. Rollnik.
  • Mathematics: analysis, differential equations, Lebegue integral calculus, function theory (complex plane), forms; linear algebra,affine geometry, differential geometry, topology, Lie algebra; exams: function theory, linear algebra and differential geometry; examiner: Prof. Klingenberg, University Bonn, Dept. of Mathematics.
  • Astronomy: several basic and advanced courses; seminar presentation: Binary Stars in Globular Clusters, Prof. Kundt, University Bonn, Dept. of Astronomy; summer research assistant (6 weeks): Calculation of a mass function of NGC1818 using Hertzsprung-Russel Diagrams extracted from CCD images (image processing), Prof. T. Richtler, University Bonn, Dept. of Astronomy.
  • Mineralogy & Crystallography: basic and advanced courses; seminars and exams: X-ray crystallography, fine structure analysis with X-rays; examiner: Prof. Will, University Bonn, Dept. of Mineralogy.
  • Anorganic Chemistry: examiner: Prof. Puff, University Bonn, Dept. of Inorganic Chemistry.
  • Philosophy: logic, ethics, bibliography, history of philosophy, Kant; seminars and exams: logic, Plato - The State, Gunnar Andersson - Criticism and Science History (Kuhns, Lakatos'and Feyerabends criticism of the critical rationalism), Philosophical Background of the Term Mass in Physics; courses & exams taken complete two year basic studies; qualification to enter advanced research.
  • Japanese: one semester language course.

Memberships

 
 
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