Materials, Photonic Devices, and Sensors

Wire-grid polarizer using galvanic growth technology: demonstration of a wide spectral and angular bandwidth component with high extinction ratio

[+] Author Affiliations
Isabelle Verrier, Thomas Kämpfe, Frederic Celle, Anthony Cazier, Colette Veillas, Stéphanie Reynaud, Olivier Parriaux, Yves Jourlin

Université de Lyon, Laboratoire Hubert Curien UMR CNRS 5516, 18 Rue du Professeur Benoît Lauras, Saint-Etienne 42000, France

Markus Guttmann, Barbara Matthis

Karlsruhe Institute of Technology, Institute of Microstructure Technology Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen D-76344, Germany

Janne Laukkanen

University of Eastern Finland, Department of Physics and Mathematics, P.O. Box 111, Yliopistokatu 7, Joensuu FI-80101, Finland

Frédéric Lacour

Exxelia Group, Eurofarad Department Capteurs et Systèmes Associés,1 rue des Temps Modernes, Chanteloup-en-Brie F-77600, France

Opt. Eng. 54(4), 047105 (Apr 28, 2015). doi:10.1117/1.OE.54.4.047105
History: Received February 16, 2015; Accepted March 31, 2015
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Abstract.  Functional demonstration of a wide band, wide angular width wire-grid polarizer has been made in the framework of a user project of the European project ACTMOST (Access To Micro-Optics Expertise, Services and Technologies). The polarization function relies on linear polarizers using the wire-grid polarizer principle by means of a metal grating of unusually large period, exhibiting a large extinction of the transmission of the TE polarization in the 850-nm wavelength range. This grating achieves a broadband and especially high angular aperture reflection with low loss and permits resorting to very low cost incoherent light sources for the transmitted TM polarization. This paper will describe the design, the modeling and optimization, as well as the complete technological process chain, that has been used, starting with the photoresist grating printing using phase-mask UV-based lithography to the uniform galvanic growth of a very shallow gold grating on transparent conductive layer deposited on a glass substrate. Transmission curves for both polarizations performed on the first demonstrators will be presented.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Isabelle Verrier ; Thomas Kämpfe ; Frederic Celle ; Anthony Cazier ; Markus Guttmann, et al.
"Wire-grid polarizer using galvanic growth technology: demonstration of a wide spectral and angular bandwidth component with high extinction ratio", Opt. Eng. 54(4), 047105 (Apr 28, 2015). ; http://dx.doi.org/10.1117/1.OE.54.4.047105


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