Tuning the structural properties of femtosecond-laser-induced nanogratings

Tuning the structural properties of femtosecond-laser-induced nanogratings

We present the results of our investigations on the formation process of nanogratings in fused silica and the influence of fabrication parameters, thereby identifying ways to systematically control the grating properties. Nanogratings, self-organized nanostructures with subwavelength periodicity, ar...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Vol. 100; no. 1; pp. 1 - 6
Main Authors: Ramirez, Lourdes Patricia R., Heinrich, Matthias, Richter, Sören, Dreisow, Felix, Keil, Robert, Korovin, Alexander V., Peschel, Ulf, Nolte, Stefan, Tünnermann, Andreas
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer-Verlag 01-07-2010
Springer
Subjects:
Biological and medical applications
Characterization and Evaluation of Materials
Condensed Matter Physics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Industrial applications
Invited Paper
Machines
Manufacturing
Nanotechnology
Optical and Electronic Materials
Optics
Physics
Physics and Astronomy
Processes
Surfaces and Interfaces
Thin Films
Pulse Energy
Fuse Silica
Index Contrast
Femtosecond Laser
Lithium Niobate
fs range
Nanostructures
Laser beam applications
Transparent material
Laser assisted processing
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Summary:We present the results of our investigations on the formation process of nanogratings in fused silica and the influence of fabrication parameters, thereby identifying ways to systematically control the grating properties. Nanogratings, self-organized nanostructures with subwavelength periodicity, are formed in certain parameter ranges during femtosecond-laser processing of transparent materials, resulting in characteristic birefringent modifications. They provide the opportunity for the fabrication of arbitrary three-dimensional birefringent elements with position-dependent retardation. Based on our findings, we were able to fabricate birefringent elements with various precise retardations in otherwise isotropic fused silica.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-010-5684-2