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Proceedings Paper

Phase singularities generated by optical microstructures: theory and experimental results
Author(s): Rene Dandliker; Peter Blattner; Carsten Rockstuhl; Hans Peter Herzig
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Paper Abstract

In this paper, we present theoretical and experimental results of our investigations on high resolution interference microscopy. We were able to measure phase variations with a spatial resolution in the order of 10 nm. For this purpose, we have modified a classical interference microscope based on a Mach-Zehnder interferometer to obtain ultra-high resolution. The optical fields were generated by periodic optical microstructures. The measured optical phase distribution in the near-field compares very well with the results of rigorous diffraction theory.

Paper Details

Date Published: 30 May 2001
PDF: 6 pages
Proc. SPIE 4403, Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications, (30 May 2001); doi: 10.1117/12.428277
Show Author Affiliations
Rene Dandliker, Univ. of Neuchatel (Switzerland)
Peter Blattner, Swiss Institute of Metrology (Switzerland)
Carsten Rockstuhl, Univ. of Neuchatel (Switzerland)
Hans Peter Herzig, Univ. of Neuchatel (Switzerland)

Published in SPIE Proceedings Vol. 4403:
Second International Conference on Singular Optics (Optical Vortices): Fundamentals and Applications
Marat S. Soskin; Mikhail V. Vasnetsov, Editor(s)

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