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Pillar-array based optical sensor
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
KTH, School of Information and Communication Technology (ICT), Optics and Photonics.ORCID iD: 0000-0001-5967-2651
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2010 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 18, no 6, 5420-5425 p.Article in journal (Refereed) Published
Abstract [en]

An optical microcavity based on pillar arrays has been fabricated in Si/SiO2 material system. Transmission measurement was taken and a quality factor as high as 27,600 was observed. This cavity was tested for sensing applications by immersing into optical fluids with accurate refractive indices. For refractive index change of 0.01, a resonance peak wavelength shift of 3.5 nm was measured. We also compare cavities consisting of pillars with different aspect ratios.

Place, publisher, year, edition, pages
2010. Vol. 18, no 6, 5420-5425 p.
Keyword [en]
2-dimensional photonic crystal, microcavity, nanocavity
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-19340ISI: 000276002500009Scopus ID: 2-s2.0-77949591738OAI: oai:DiVA.org:kth-19340DiVA: diva2:337387
Note
QC 20110114Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Wosinski, Lech

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