Application of metallic subwavelength gratings for polarization devices

Ernst-Bernhard Kley; Bernd Schnabel; Heike Huebner; Uwe D. Zeitner

doi:10.1117/12.256221

1 November 1996 Application of metallic subwavelength gratings for polarization devices

Ernst-Bernhard Kley, Bernd Schnabel, Heike Huebner, Uwe D. Zeitner

Proceedings Volume 2863, Current Developments in Optical Design and Engineering VI; (1996) https://doi.org/10.1117/12.256221
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

E-beam lithography offers the possibility for fabricating metallic subwavelength gratings for visible light which show strong polarization properties. By using such gratings and other micro-optical elements (like lenses and diffraction gratings) a new kind of polarization detector without mechanical motion is proposed. The basic idea is the use of a special analyzing grating element with different grating directions (e.g. a circular metallic subwavelength grating). We realized both a wavelength-independent polarimeter and a polarimeter with spectroscopic properties. Characteristic parameters estimated are the angular resolution of the polarization plane (best value 0.001 degree) and the wavelength resolution (best value 15 nm).

Citation Download Citation

Ernst-Bernhard Kley, Bernd Schnabel, Heike Huebner, and Uwe D. Zeitner "Application of metallic subwavelength gratings for polarization devices", Proc. SPIE 2863, Current Developments in Optical Design and Engineering VI, (1 November 1996); https://doi.org/10.1117/12.256221

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