The Ultrafast Laser Physics and
Precision Metrology Group is headed by prof.
dr. K.S.E. Eikema. The group is
a subdivision of the Quantum
Metrology and Laser Applications group headed
dr. W. Ubachs, and a picture of
the total group of about 25-30 people is shown below.
The total combined group in front of
the National Maritime Museum Amsterdam in 2018
Current PhD students and postdocs &
master students in the group of K.S.E. Eikema:
Charlaine Roth (PhD student)
Elmer Grundeman (PhD student)
Andres Martinez de Velasco (PhD student)
Yuri van der Werf (PhD student)
Kees Steinebach (PhD student)
Vincent Barbe (postdoc)
Julian Krauth (postdoc)
Mathieu Collombon (postdoc)
Raphael Jannin (postdoc)
For the members in the combined group
of Stefan Witte and Kjeld Eikema at ARCNL, see the
EUV Generation and Imaging group (and also see below).
Dr. Stefan Witte
Group leader of at ARCNL of the EUV
Generation and Imaging Group.
Prof. dr. Wim Ubachs, dr. Edcel
Salumbides and prof. dr. Rick Bethlem on the theme of precision
spectroscopy in molecules, and testing the constancy of
Prof. dr. Rick Bethlem, on two meta-stable helium projects
(determination of alpha, and charge radius difference 4He and
Dr. Jeroen Koelemeij on the
theme HD+ spectroscopy and time and frequency dissemination over
Prof. dr. Frederic Merkt and co-workers
from the ETH Zurich, on the theme of precision spectroscopy in
Former group members and thesis:
Former PhD students:
dr. Laura Dreissen: thesis
dr. Matthijs Jansen: thesis
dr. Robert Altmann: thesis
dr. Itan Barmes: thesis
Daniel Noom: thesis
Tjeerd Pinkert: thesis
dr. Jonas Morgenweg: thesis
dr. Dominik Z. Kandula: thesis
dr. Anne Lisa Wolf: thesis
dr. Roel Zinkstok: thesis
Stefan Witte: thesis
Maxime Favier (still partly involved in the He+ project)
dr. Sandrine Galtier
dr. Axel Ruehl
dr. Christoph Gohle
dr. Amandine Renault
Dr. Wim Vassen and co-workers on the
theme of precision spectroscopy in metastable helium.
Prof. dr. Arie den Boef, ASML Eindhoven and VU Amsterdam, on
continuum generation and computational imaging
Dr. Ronald Holzwarth and co-workers of
Menlo Systems GmbH, on the theme of control electronics and
(frequency comb) lasers.
Dr. Erwin Bente and co-workers of the
TU Eindhoven, on the theme of quantum-dot based modelocked lasers.
Prof. Marco Marangoni and co-workers
from the Politecnico di Milano, Italy, on the theme of frequency
comb generation in the mid-infrared.
Dr. I. Hartl and dr. M.E. Fermann from
IMRA (USA) on Yb-fiber lasers and mid-infrared comb generation.
Dr. S.A. van den Berg and co-workers,
VSL (Netherlands), on ion traps and frequency comb laser
We gratefully acknowledge financial
support from the following organizations:
Questions? Contact: firstname.lastname@example.org