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On-chip integrated differential optical microring refractive index sensing platform based on a laminar flow scheme

Kim, Dongwan and Popescu, Paula and Harfouche, Mark and Sendowski, Jacob and Dimotsantou, Maria-Eleni and Flagan, Richard C. and Yariv, Amnon (2015) On-chip integrated differential optical microring refractive index sensing platform based on a laminar flow scheme. Optics Letters, 40 (17). pp. 4106-4109. ISSN 0146-9592. doi:10.1364/OL.40.004106. https://resolver.caltech.edu/CaltechAUTHORS:20150903-154514546

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Abstract

We propose an on-chip integrated differential optical microring refractive index sensing platform which leverages laminar flow conditions. Close spacing between a sensing and a reference resonator, and sharing the same microfluidic channel allows the two resonators to experience similar environmental disturbances, such as temperature fluctuations and fluidic-induced transients, achieving reliable and sensitive sensing performance. We obtain a noise floor of 80.0 MHz (0.3 pm) and a bulk refractive index sensitivity of 17.0 THz per refractive index unit (RIU) (64.2 nm/RIU), achieving a limit of detection of 1.4×10^(-5) RIU in a 30 min and an 8° C window.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1364/OL.40.004106DOIArticle
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-40-17-4106PublisherArticle
ORCID:
AuthorORCID
Kim, Dongwan0000-0002-5661-2503
Harfouche, Mark0000-0002-4657-4603
Flagan, Richard C.0000-0001-5690-770X
Additional Information:© 2015 Optical Society of America. Received 11 June 2015; revised 4 August 2015; accepted 5 August 2015; posted 7 August 2015 (Doc. ID 241769); published 28 August 2015. Funding: National Science Foundation (NSF) (1152623).
Funders:
Funding AgencyGrant Number
NSF1152623
Issue or Number:17
Classification Code:OCIS codes: (280.4788) Optical sensing and sensors; (280.1415) Biological sensing and sensors; (140.4780) Optical resonators; (130.3120) Integrated optics devices.
DOI:10.1364/OL.40.004106
Record Number:CaltechAUTHORS:20150903-154514546
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150903-154514546
Official Citation:D. Kim, P. Popescu, M. Harfouche, J. Sendowski, M. Dimotsantou, R. Flagan, and A. Yariv, "On-chip integrated differential optical microring refractive index sensing platform based on a laminar flow scheme," Opt. Lett. 40, 4106-4109 (2015)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60062
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:03 Sep 2015 23:02
Last Modified:10 Nov 2021 22:29

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