Micro-optical polarizer with high efficiency

Based on liquid crystal polymers (LCP) a compact micro-optical polarizer with high efficiency has been designed and realized. By using cylindrical microlens arrays made of LCP and index matching layer, a complete separation of both polarization components of the unpolarized input light is achieved....

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Veröffentlicht in:	Optics express 2008-02, Vol.16 (3), p.2023-2036
Hauptverfasser:	Ruffieux, Patrick, Scharf, Toralf, Herzig, Hans-Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer Simulation Computer-Aided Design Equipment Design Equipment Failure Analysis Lenses Liquid Crystals - chemistry Miniaturization Models, Theoretical Refractometry - instrumentation Refractometry - methods
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Beschreibung
Zusammenfassung:	Based on liquid crystal polymers (LCP) a compact micro-optical polarizer with high efficiency has been designed and realized. By using cylindrical microlens arrays made of LCP and index matching layer, a complete separation of both polarization components of the unpolarized input light is achieved. Combined with a patterned twisted nematic (TN) cell, allowing a rotation of only one polarization component, a polarizer with high efficiency (72,5% (measured) is realized. Simulations and measurements are presented.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/OE.16.002023