Homepage of Willem L. Vos

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I am guiding an ambitious research program on "Complex Photonic Systems" at the University of Twente in the city of Enschede (2 hrs. east from Schiphol airport, near Germany), together with great guys in the MESA+ Institute for Nanotechnology .

To reach Willem Vos:
Office: Meander 118
Phone: +31-(0)53-4895388
Secretariat: +31-(0)53-4895390
Fax: +31-(0)53-4895394

1. Research Interests

- Optical properties of photonic crystals.
- Quantum-optics in photonic materials.
- Optical properties of disordered photonic matter.
- Nanotechnology and nanofabrication.
- Interactions, structures and symmetries of colloidal systems.
- X-ray diffraction and scattering of soft and hard condensed matter.
- Condensed matter at high pressures and geophysical implications.

2. List of publications

You can find my COPS publications here.
My work is listed on Google Scholar here.
And on ResearcherID (Web of Science from Thomson) here.

Some publications prior to COPS:
W.L. Vos, L.W. Finger, R.J. Hemley and H.-k. Mao
Pressure dependence of hydrogen bonding in a novel H2O-H2 clathrate
Chem. Phys. Lett. 257, 524-530 (1996), pdf

T.S. Duffy, W.L. Vos, C.-S. Zha, R.J. Hemley, and H.-k. Mao
Sound velocities in dense hydrogen and the interior of Jupiter
Science 263, 1590-1593 (1994), pdf

W.L. Vos, L.W. Finger, R.J. Hemley, and H.-k. Mao
Novel hydrates in the system H2-H2O at high pressure
Phys. Rev. Lett. 71, 3150-3153 (1993), pdf

W.L. Vos and J.A. Schouten
The stability of van der Waals compounds at high pressures
Fiz. Nizk. Temp. (Low Temp. Phys.) 19, 481-485 (1993), pdf

J.-L. Barrat and W.L. Vos
Stability of van der Waals compounds and investigation of the intermolecular potential in He-Xe
J. Chem. Phys. 97, 5707-5712 (1992), pdf

W.L. Vos, L.W. Finger, R.J. Hemley, J.Z. Hu, H.-k. Mao, and J.A. Schouten
High-pressure van der Waals compound in solid nitrogen-helium mixtures
Nature (London) 358, 46-48 (1992), pdf

W.L. Vos and J.A. Schouten
On the temperature correction to the ruby pressure scale
J. Appl. Phys. 69, 6744-6746 (1991), pdf

W.L. Vos, J.A. Schouten, D.A. Young, and M. Ross
The melting curve of neon at high pressure
J. Chem. Phys. 94, 3835-3838 (1991), pdf

A. de Kuijper, W.L. Vos, J.-L. Barrat, J.-P. Hansen, and J.A. Schouten
Freezing of simple systems using density functional theory of freezing
J. Chem. Phys. 93, 5187-5193 (1990), pdf

W.L. Vos, M.G.E. van Hinsberg, and J.A. Schouten
High pressure triple point in helium: the melting line of helium up to 240 kbar
Phys. Rev. B 42, 6106-6109 (1990), pdf

W.L. Vos and J.A. Schouten
Solubility of fluid helium in solid nitrogen at high pressure
Phys. Rev. Lett. 64, 898-901 (1990), pdf

PhD Thesis:
Phase equilibria in simple systems at high pressure, pdf

3. Curriculum vitae

Willem Lambertus Vos 
Citizenship:  Dutch


Ph. D. in Physics ('cum laude', special honors), University of Amsterdam, 15 February 1991.
Experiments and theory of the phase equilibria of mixed molecular systems at high pressure.
Advisors: Dr. J.A. Schouten and Prof. J.T.M. Walraven

Doctorandus (~ M. Sc.), Physics, University of Amsterdam, 24 February 1987.
Research work in partial fulfillment for the "doctoraal examen":
1. Development of a diamond anvil cell for use at high temperatures.
Advisor: Dr. J.A. Schouten
2. Reflectance of algae in water.
Advisor: Prof. M. Donze, Faculty of Civil Engineering, Delft University of Technology.

Secondary school in Enschede, the Netherlands, graduated 1982.

Primary school in Germany (1 year) and France (4 years). Fluent in both languages.

Professional Experience
Jan. 2005-Present. Chair holder of Complex Photonic Systems (COPS)

March 2005-2009. Group leader of Photonic Bandgaps group, Center for Nanophotonics, FOM-Institute AMOLF

March 2002 - Present. Professor on the chair "Photonic Media" (POM) at the Department of Science and Technology and the MESA+ Research Institute, University of Twente, Enschede, The Netherlands, in the group "Complex Photonic Systems" (COPS).

December 1998 - March 2002. Universitair Docent at the van der Waals-Zeeman Instituut, Universiteit van Amsterdam, Amsterdam, The Netherlands, in the former group "Waves in Complex Media".

December 1993 - December 1998.  Postdoctoral fellowship at the Universiteit van Amsterdam, The Netherlands, with Prof. Dr. Ad Lagendijk and Dr. Rudolf Sprik in the group Spectroscopy of Condensed Matter.

April 1991 - December 1993. Carnegie Fellowship from the Carnegie Institution for Science in Washington, spent as a postdoc with Dr. Larry W. Finger, Dr. Russell J. Hemley, and Dr. Ho-kwang Mao, at the Geophysical Laboratory, Washington DC.

January 1992. On leave at the Ecole Normale Superieure, Lyon, France with Dr. Jean-Louis Barrat.

March 1987 - March 1991. Fellowship from the Universiteit van Amsterdam, The Netherlands, in order to complete a Ph.D. thesis in Physics, with Prof. Dr. Jan A. Schouten.

December 1990-January 1991. On leave at the Geophysical Laboratory, Carnegie Institution for Science, Washington DC with Dr. Larry W. Finger, Dr. Russell J. Hemley, and Dr. Ho-kwang Mao.

September-October 1989. On leave at the Ecole Normale Superieure, Lyon, France, with Dr. Jean-Louis Barrat and Prof. Dr. Jean-Pierre Hansen.

March- October 1986. Research Assistant at the Department of Civil Engineering, Delft University of Technology, The Netherlands, with Prof. Dr. Marcel Donze (KEMA) and Drs. Hendrik Buiteveld.

August 1984-December 1985. Research Assistant at the University of Amsterdam, The Netherlands, with Dr. Jan A. Schouten.

Professional Activities and Honors
- Descartes-Huygens Prize of the French Academy of Science, 2014.
- Fellow of the American Physical Society (APS), 2013.
- Fellow of the Optical Society (OSA), 2012.
- Snellius medal, awarded by the "Genootschap ter bevordering van Natuur-, Genees- en Heelkunde" (Society for the Advancement of Science, Medicine and Surgery) in Amsterdam, November 25, 2005. The medal is awarded only once every 10 years (previous awardees include profs. Zernike and van der Waals.)
- Distinguished Honorary Lecture, Faculty of Science and Mathematics, University of Amsterdam, March 1, 2001.
- Carnegie Fellowship, 1991-1993.
- Special Honors ("Cum Laude") with Ph. D. degree, February 1991.
- Koninklijke/Shell "Studiereis" travel fellowship, 1990
  (awarded by Royal Shell Oil Company to the top 10 Students in Dutch science).
- Honors ("Veel genoegen") with Doctorandus degree, February 1987.

Member of the American Physical Society (APS), Optical Society (OSA), Nederlandse Natuurkundige Vereniging (NNV), Deutsche Physikalische Gesellschaft (DPG).