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This page contains informations on all the participants of the NanoSNOM
network. You can send e-mail to all of them or access their home pages.
 | University of Ulm
Abteilung Experimentelle Physik
 | Prof. Dr. Othmar Marti, coordinator |
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Coordinator
D-89069 Ulm, Germany
Phone: +49 (731) 50 23011
Fax: +49 (731) 50 23036
Othmar.Marti@physik.uni-ulm.de
http://wwwex.physik.uni-ulm.de
Objective of the joint research should be the understanding of the
dynamics of the imaging process in near field optics. Emphasis should be put
on identifying the key physical aspects which determine resolution,
usability and time resolution. Time resolved SNOM measurements and a colour
SNOM will be used.
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| Physics Department, Condensed Matter, Prof. Dr. H.-J. Güntherodt |
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Institut für Physik der Universität Basel
Klingelbergstr. 82
CH-4056 Basel
Switzerland
Phone +41 (61) 267 37 67
Fax +41 (61) 267 37 84
Prof. Dr. H.-J. Güntherodt
http://monet.physik.unibas.ch/gue/
In the pursuit of the above goals, the different NFO
techniques developed in recent years shall be compared, assessed,
consolidated, and improved. The main goals are
| reliability and ease of operation, |
| assessment of storage potential, |
| increased resolution. |
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| Department of Physics, Dr. I. V. Shvets |
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Dublin 2
Irland
Phone: +353 (1) 6081653
Fax: +353 (1) 671 1759
Dr. I.V. Shvets
http://www2.tcd.ie/Physics/Research/page228.html
Development of coaxial type probes of sub-100 nm size for high light
throughput. Demonstration of the performance of the probes on conventional
test structures.
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| Institut für Experimentalphysik, Prof. Dr. Franz R. Aussenegg |
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Universitätsplatz 5
A-8010 Graz
Austria
Phone: +43 (316) 380- 5186
Fax: +43 (316) 380-9816
franz.aussenegg@kfunigraz.ac.at
http://www.kfunigraz.ac.at/expwww/ol/ol_research.html
Objective of the joined research should be the development of nanometric
structures with specifically designed far-field and near-field optical
properties and corresponding far- and near-field optical methods for their
investigation. Theoretical models should be developed in order to calculate
the optical response of the structure and the influence of the measuring
probe.
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| LFSP, Prof. Dr. Nicolas García |
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Serrano 144
E-28006 Madrid
Spain
Phone: +34 (1) 563 17 74
Fax: +34 (1) 563 15 60
nicolas.garcia@fsp.csic.es
http://www.fsp.csic.es/
http://www.fsp.csic.es/proyectos/tmr-snom.htm
Objective of the joint research should be the "nanowriting" of
lines on ferroelectric surfaces and the detection of these ones. We could
use the SNOM fibre tip as a nanoscopic light source and the capability of
the microscope to obtain shear force topographical images to detect these
lines. In order to improve the size resolution we will also utilise other
techniques such as AFM and SEM. Using physical properties of ferroelectric
used in these experiments we can develop a possible device without
connections. Additionally, theoretical simulations will test previous
theories and will be used to include new image reconstruction techniques in
SNOM experiments.
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| ICMM, Prof. Dr. Manuel Nieto-Vesperinas |
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C.I.S.C. Cantoblanco
28049 Madrid
Spain
Phone: +34 (1) 334 9044
Fax.: +34 (1) 3720623
MNV@PINAR1.CSIC.es
http://almanzor.icmm.csic.es/eng/
Objective of the joint research will be a model study of the imaging
process with apertureless techniques, and the read-out process of optical disk
storage: correlation between signal and topography, or groove profile and
position. Also, influence of groove defects on the read-out signal.
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| Ecole Centrale Paris / CNRS, Prof. Dr. Jean-Jacques Greffet |
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Greffet, Jean-Jacques
Grande Voie des Vignes
F-92295 Chatenay-Malabry
France
Phone: +33 (1) 41 13 10 61
Fax: +33 (1) 47 02 80 35
greffet@em2c.ecp.fr
http://www.em2c.ecp.fr/prop_diff_eng.html
The present project is intended to push the effort of
understanding the basic mechanisms underlying near-field optical technology.
Major progress has been made on the experimental set-ups.
Yet, several ideas and concepts have been taken for granted. Recently,
artefacts have been demonstrated. It is necessary to re-examine any
component of the set-ups and to this aim, a basic understanding of the
physics is necessary.
Particular issues are :
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The investigation of the different feed-back
controls and their implications on the image formation.
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Is it possible to suppress artefacts due to
feedback control ?
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What are the resolution limits ?
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Is it possible to analyse theoretically the
potential performances of the different set-ups ?
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Implications of reciprocity in near-field.
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Is it possible to define a transfer function
for illumination SNOM ?
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To what extent the inverse problem can be
solved in illumination SNOM ?
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What are the optimal working conditions ? (coherence,
angles of detection, polarisation, etc.)
The above program is the necessary work to attack on a
firm basis the problem of designing systems with good resolutions for e.g.
information storage.
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| Probe Microscopy Laboratory,Prof. Dr. Maria Allegrini |
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Piazza Torricelli, 2
56126 Pisa
Italy
Phone: +39 (50) 911 285
Fax: +39 (50) 48 277
allegrin@difi.unipi.it
http://www.df.unipi.it/gruppi/struttura/ma/page.htm
Objective of the joint research is the development of a faster tip-sample
distance control in SNOM for data storage applications. The achieved
bandwidth will be assessed by means of test samples produced in the
framework of the project, whereas read/write rate will be tested by means of
suitable ferroelectric thin films produced by Pulsed Laser Deposition (PLD)
or provided by other partners of the project. Optimal wavelength for the
read/write process will be determined on different ferroelectric materials.
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