Plasmonic nano-apertures for lensfree on-chip sensing

Bahar Khademhosseinieh, Gabriel Biener, Ikbal Sencan, Ting Wei Su, Ahmet F. Coskun, Aydogan Ozcan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


We demonstrate lensfree on-chip sensing within a micro-fluidic channel using plasmonic nano-apertures illuminated by a partially-coherent quasi-monochromatic source. Experimental results confirm on-chip sensing of refractive index changes as small as ~0.002 using this lensfree modality.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationScience and Innovations, CLEO_SI 2011
PublisherOptical Society of America (OSA)
ISBN (Print)9781557529107
StatePublished - 2011
EventCLEO: Science and Innovations, CLEO_SI 2011 - Baltimore, MD, United States
Duration: May 1 2011May 6 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


ConferenceCLEO: Science and Innovations, CLEO_SI 2011
Country/TerritoryUnited States
CityBaltimore, MD


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