Polarization-independent and electronically tunable Fabry Perot etalons with cross-orthogonal liquid-crystal layers

A novel structure of a polarization‐independent and electronically tunable Fabry–Perot interferometer is proposed. It consists of double layers of homogeneously aligned liquid‐crystal films with an orthogonal buffing direction. Both theoretical and experimental results show that a pure resonant wave...

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Bibliographic Details
Published in:Microwave and optical technology letters 2003-09, Vol.38 (6), p.475-477
Main Authors: Lin, Kuen-Cherng, Chuang, Wei-Ching
Format: Article
Language:English
Subjects:
Fabry-Perot interferometer
liquid crystal (LC)
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Summary:A novel structure of a polarization‐independent and electronically tunable Fabry–Perot interferometer is proposed. It consists of double layers of homogeneously aligned liquid‐crystal films with an orthogonal buffing direction. Both theoretical and experimental results show that a pure resonant wavelength with excellent polarization‐independent properties, was obtained. Our devices demonstrate power fluctuations of less than 0.5 dB and extinction ratios of up to 7 dB. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 38: 475–477, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11093
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.11093