Soft Condensed Matter Group
print


Breadcrumb Navigation


Content
Dr. Fritz Keilmann

Dr. Fritz Keilmann

Contact

Ludwigs-Maximilians-Universität
Lehrstuhl Prof. Rädler
Geschwister-Scholl-Platz 1
80539 München
Germany

office:
Altbau Physik, N 033

Phone: +49-(0)89-2180-1414
Fax: +49-(0)9113-0844-88883

Research Focus

Infrared nanoscopy of soft/ biological matter, mid-infrared frequency combs

Welcome to the LMU Infrared Nanoscopy Laboratory

 

Scientific curriculum

1961-1967
Study of meteorology and physics, München, Diplom thesis on microwave spectroscopy of hemoglobin


1970
Dr. rer. nat. Technische Hochschule München, Thesis on plasma diagnostics with infrared lasers


1970-1971
Max-Planck-Institut für Plasmaphysik, Garching, Infrared ion temperature measurement in Tokamak


1972-1973
Massachusetts Institute of Technology, Cambridge, USA Precision frequency measurement, optically pumped lasers, saturation spectroscopy of gases


1973-1995
Max-Planck-Institut für Festkörperforschung, Stuttgart, Nonlinear far-infrared spectroscopy, phonon spectroscopy, biological microwave effects, semiconductor physics, optics


1987
Visiting Scientist University of California in Santa Barbara, USA, Free electron laser, nonlinear spectroscopy


1995-2007
Max-Planck-Institut für Biochemie, Martinsried, Scanning near- field microscopy, infrared spectroscopy, biophysics


2008-2012
Max Planck Institut für Quantenoptik, Garching, Broadband- infrared near-field microscopy


since 2013
Ludwig-Maximilians-Universität, München, Spectroscopic nanoscopy of composite materials

 

Honours

Kenneth J Button prize 2009 (
link)

 

Biography

Biography (PDF, 367 kB)

 

Recent Publications

 

2016

Ultrafast optical switching of infrared plasmon polaritons in high-mobility graphene
G.X. Ni, L. Wang, M.D. Goldflam, M. Wagner, Z. Fei, A.S. McLeod, M.K. Liu, F. Keilmann, B. Özyilmaz, A.H. Castro Neto, J. Hone, M.M. Fogler, and D.N. Basov
Nature Materials, doi:10.1038/nphoton.2016.45 (2016)

 

2015

Graphene on hexagonal boron nitride as a tunable hyperbolic metamaterial
S. Dai, Q. Ma, M. K. Liu, T. Andersen, Z. Fei, M.D. Goldflam, M. Wagner, K. Watanabe, T. Taniguchi, M. Thiemens, F. Keilmann, G.C.A.M. Janssen, S-E. Zhu, P. Jarillo-Herrero, M.M. Fogler, and D.N. Basov
Nature Nanotechnology 10, 682, doi:10.1038/nnano.2015.131 (2015)

Graphene-based platform for infrared near-field nanospectroscopy of water and biological materials in an aqueous environment
O. Khatib, J.D. Wood, A.S. Mcleod, M.D. Goldflam, M. Wagner, G.L. Damhorst, J.C. Koepke, G.P. Doidge, A. Rangarajan, R. Bashir, E. Pop, J.W. Lyding, M.H. Thiemens, F. Keilmann, and D.N. Basov
ACS Nano 9, 7968 (2015)

Plasmons in graphene moire superlattices
G.X. Ni, H. Wang, J.S. Wu, Z. Fei, M.D. Goldflam, F. Keilmann, B. Özyilmaz, A.H. Castro-Neto, X.M. Xie, M.M. Fogler, and D.N. Basov
Nature Materials, doi:10.1038/NMAT4425 (2015)

Tunneling plasmonics in bilayer graphene
Z. Fei, E.G. Iwinski, G.X. Ni, L.M. Zhang, W. Bao, A.S. Rodin, Y. Lee, M. Wagner, M.K. Liu, S. Dai, M.D. Goldflam, M. Thiemens, F. Keilmann, C.N. Lau, A.H. Castro-Neto, M.M. Fogler, and D.N. Basov
Nanoletters 15, 4973 (2015)

Subdiffractional focusing and guiding of polaritonic rays in a natural hyperbolic material
S. Dai, Q. Ma, T. Anderson, A.S. Mcleod, Z. Fei, M.K. Liu, M. Wagner, W. Watanabe, T. Taniguchi, M. Thiemens, F. Keilmann, P. Jarillo-Herrero, M.M. Fogler, and D.N. Basov
Nature Communications 6, 7963, doi:10.1038/ncomms7963 (2015)

 

2014

Nanoscale infrared spectroscopy as a non-destructive probe of extraterrestrial samples
G. Dominguez, A.S. Mcleod, Z. Gainsforth, P. Kelly, H.A. Bechtel, F. Keilmann, A. Westphal, M. Thiemens, and D.N. Basov
Nature Communications 5: 5445, doi 10.1038/ncomms6445 (2014)

Ultrafast dynamics of surface plasmons in InAs by time-resolved infrared nanospectroscopy
M. Wagner, A.S. McLeod, S.J. Maddox, Z. Fei, M. Liu, R. D. Averitt, M.M. Fogler, S.R. Bank, F. Keilmann, and D.N. Basov
NanoLetters 14, 4529-4534 (2014)

Sub-micron phase coexistence in small-molecule organic thin films revealed by infrared nano-imaging
C. Westermeier, A. Cernescu, S. Amarie, C. Liewald, F. Keilmann, and B. Nickel
Nature Communications 5: 4101, doi 10.1038/ncomms5101 (2014)

Tunable phonon polaritons in atomically thin van der Waals crystals of boron nitride
S. Dai, Z. Fei, Q. Ma, A.S. Rodin, M. Wagner, A.S. McLeod, M.K. Liu, W. Gannett, W. Regan, K. Watanabe, T. Taniguchi, M. Thiemens, G. Dominguez, A.H. Castro Neto, A. Zettl, F. Keilmann, P. Jarillo-Herrero, M.M. Fogler, D.N. Basov
Science 343, 1125-1129 (2014)

Ultrafast and nanoscale plasmonic phenomena in exfoliated graphene revealed by infrared pump-probe nanoscopy
M. Wagner, Z. Fei, A.S. McLeod, A.S. Rodin, W. Bao, E.G. Iwinski, Z. Zhao, M. Goldflam, M. Liu, G. Dominguez, M. Thiemens, M.M. Fogler, A.H. Castro Neto, C. N. Lau, S. Amarie, F. Keilmann, and D.N. Basov
NanoLetters 14, 894-900 (2014)

 

2013

Electronic and plasmonic phenomena at graphene grain boundaries

Z. Fei, A.S. Rodin, W. Gannett, S. Dai, W. Regan, M. Wagner, M. Liu, A.S. McLeod, G. Dominguez, M. Thiemens, A.H. Castro Neto, F. Keilmann, A. Zettl, R. Hillenbrand, M.M. Fogler, and D.N. Basov

Nature Nanotechnology 8, 821-825 (2013)

Nano-FTIR—the Chemical Nanoscope
F. Keilmann, R. Hillenbrand, and A.S. McLeod
Imaging & Microscopy 1, 26 (2013)

 

2012

Visualisation of methacrylate-embedded human bone sections by infrared nanoscopy
T. Geith, S. Amarie, S. Milz, F. Bamberg, and F. Keilmann
J. Biophotonics DOI: 10.1002 (2012)

Gate-tuning of graphene plasmons revealed by infrared nano-imaging
Z. Fei, G.O. Andreev, W. Bao, A.S. McLeod, ..., F. Keilmann and D.N. Basov
Nature 487, 83 (2012)

Nano-FTIR absorption spectroscopy of molecular fingerprints at 20 nm spatial resolution
F. Huth, A. Govyadinov, S. Amarie, ..., F. Keilmann and R. Hillenbrand
NanoLetters 12, 3973 (2012)

Mid-infrared frequency comb spanning an octave based on an Er fiber laser and difference-frequency generation
F. Keilmann and S. Amarie
Journal of Infrared, Millimeter, and Terahertz Waves 33, 479 (2012)

Nano-FTIR chemical mapping of minerals in biological materials
S. Amarie, Paul Zaslansky, Y. Kajihira, E. Griesshaber, ..., and F. Keilmann
Beilstein J. Nanotechol. 3, 312 (2012)

 

2011

Infrared nanoscopy of Dirac plasmons at the graphene/SiO2 interface
Z. Fei, G.O. Andreev, W. Bao, L.M. Zhang, ..., F. Keilmann, and D.N. Basov
NanoLetters 11, 4701 (2011)

Broadband-infrared assessment of phonon resonance in scattering-type near-field microscopy
S. Amarie and F. Keilmann
Phys. Rev. B 83, 45404 (2011)

 

Downloads