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Proceedings Paper

Nonlinear resonance effects on thin micro structured aluminum metal gratings by high power fs-laser pulses
Author(s): E.-Bernhard Kley; Tobias Erdmann; Peter Triebel; Hans-Joerg Fuchs; Birger Horstmann; Stefan Nolte; Andreas Tünnermann
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Paper Abstract

We present measurements and numerical findings of resonance effects in aluminum metal gratings on fused silica substrates. The spectral characterization measurements of the gratings are done with white light in the wavelength range of 600nm up to 1600nm. Nonlinear effects have been studied with a fs-laser system at the resonance wavelength of the gratings. The metal layers of the gratings are 20nm to 40nm thick, the gratings period is 500nm or 1000nm and the narrow gaps between the metal stripes consist of about 8nm thick aluminum oxide stripes. These structures were produced with a special micro structuring process and coating technique. Numerical modeling shows that light can pass through these gratings for a characteristic resonance wavelength. For fs-pulses we found the transmission to decrease for increasing pulse energy.

Paper Details

Date Published: 9 June 2006
PDF: 7 pages
Proc. SPIE 6149, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 614902 (9 June 2006); doi: 10.1117/12.674190
Show Author Affiliations
E.-Bernhard Kley, Friedrich-Schiller-Univ. Jena (Germany)
Tobias Erdmann, Friedrich-Schiller-Univ. Jena (Germany)
Peter Triebel, Jenoptik L.O.S. GmbH (Germany)
Hans-Joerg Fuchs, Friedrich-Schiller-Univ. Jena (Germany)
Birger Horstmann, Friedrich-Schiller-Univ. Jena (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Andreas Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 6149:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Li Yang; Shangming Wen; Yaolong Chen; Ernst-Bernhard Kley, Editor(s)

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