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Packaging of optofluidic microbubble resonator sensors
Author(s): Jie Liao; Abraham J. Qavi; Royce Dong; Lan Yang
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Paper Abstract

Optical Whispering Gallery Mode (WGM) microresonators have become a powerful tool in fundamental physics as well as significant applications. Optical sensors based on WGM resonators have shown ultra-high sensitivity levels for various analytes. Among various kinds of WGM resonators, microbubble resonators (MBRs) are especially appealing as sensors, since the optical and fluidic elements are combined into a single component. We have developed a simple, rapid, and reliable packaging technique for silica microbubble resonators using 3-D printed packaged chips. The packaged MBR offer Q-factors at high as 106 with stability to environmental fluxes such as temperature. As an initial application, we demonstrate internal pressure sensing with our packaged MBR devices. The integration of both optical and fluidic components shows potential in a wide variety of field-based and point-of-care applications.

Paper Details

Date Published: 17 May 2019
PDF: 6 pages
Proc. SPIE 11010, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX, 110101A (17 May 2019); doi: 10.1117/12.2519240
Show Author Affiliations
Jie Liao, Washington Univ. in St. Louis (United States)
Abraham J. Qavi, Washington Univ. School of Medicine in St. Louis (United States)
Royce Dong, Washington Univ. in St. Louis (United States)
Lan Yang, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 11010:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX
Jason A. Guicheteau; Chris R. Howle, Editor(s)

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