Production of dichroitic 3D structures by fs laser irradiation in composite glass containing Ag nanoparticles

Gerhard Seifert; Alexander Podlipensky; Amin Abdolvand; Heinrich Graener

doi:10.1117/12.646412

1 March 2006 Production of dichroitic 3D structures by fs laser irradiation in composite glass containing Ag nanoparticles

Gerhard Seifert, Alexander Podlipensky, Amin Abdolvand, Heinrich Graener

Author Affiliations +

Proceedings Volume 6106, Photon Processing in Microelectronics and Photonics V; 61061Q (2006) https://doi.org/10.1117/12.646412
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

Abstract

By irradiating glass containing spherical Ag nanoparticles successively with fs laser pulses at different wavelengths, we were able to produce three-dimensional, permanent anisotropic modifications based on shape deformations of the nanoparticles in this nanocomposite material. This novel method is able to create dichroism in the visible and near IR part of the spectrum by deformation of nanoparticles to oblong shapes oriented parallel to the laser polarization. Using samples with a vertical gradient of the fill factor of Ag nanoparticles in the glass substrate and an accordingly inhomogeneous broadening of the surface plasmon band, modifications in various depths can be made using different excitation wavelengths. The induced modifications are reversible: heating to ≈ 600^oC restores the spherical shape of Ag nanoparticles. This technique can be useful for manufacturing of different, 3D, polarization and wavelength selective micro-devices such as polarizers, filters, gratings, display and rewriting optical 3D data storage devices. As examples, we will demonstrate in this paper how (i) three areas of different color can be produced in three different depths of the sample and (ii) how a series of multicolor irradiations can be used to produce dichroic structures of high polarization contrast.

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Gerhard Seifert, Alexander Podlipensky, Amin Abdolvand, and Heinrich Graener "Production of dichroitic 3D structures by fs laser irradiation in composite glass containing Ag nanoparticles", Proc. SPIE 6106, Photon Processing in Microelectronics and Photonics V, 61061Q (1 March 2006); https://doi.org/10.1117/12.646412

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