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Publications Nano-Optics Division

1997

Lithography using nano-lens arrays made of light

Vahid Sandoghdar, U. Drodofsky, Th. Schulze, B. Brezger, M. Drewsen, T. Pfau, Jürgen Mlynek

Journal of Modern Optics 44 1883-1898 (1997) | Journal

We discuss the fabrication of various one and two-dimensional chromium nanostructures. A chromium atomic beam effusing out of a thermal oven is first transversally laser cooled. This well-collimated beam is then structured and focused by the optical dipole force in a periodic light field. By introducing a substrate at the focus of the atomic beam we are able to capture this pattern directly. We discuss a few applications and challenges of this young lithography technique.

Reflection scanning near-field optical microscopy with uncoated fiber tips: How good is the resolution really?

Vahid Sandoghdar, S. Wegscheider, G. Krausch, Jürgen Mlynek

Journal of Applied Physics 81 2499-2503 (1997) | Journal

We have investigated the optical resolution of a scanning near-field optical microscope in reflection collection mode using an uncoated fiber tip. We demonstrate that the apparent resolution in the optical signal (better than 70 nm) is a topography-induced effect. We believe that the purely optical resolution is only of the order of lambda/2 and diffraction limited. (C) 1997 American Institute of Physics.

Contact

Nano-Optics Division
Prof. Vahid Sandoghdar

Max Planck Institute for the Science of Light
Staudtstr. 2
91058 Erlangen, Germany

vahid.sandoghdar@mpl.mpg.de

+49 9131 7133 300

Max-Planck-Zentrum für Physik und Medizin
Kussmaulallee 2
91054 Erlangen, Germany

vahid.sandoghdar@mpzpm.mpg.de

MPL Research Centers and Schools

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