Surface plasmon based real-time microfluid temperature sensor

Lawrence J. Davis III; Miriam Deutsch

doi:10.1117/12.806864

9 February 2009 Surface plasmon based real-time microfluid temperature sensor

Lawrence J. Davis III, Miriam Deutsch

Proceedings Volume 7218, Integrated Optics: Devices, Materials, and Technologies XIII; 72180X (2009) https://doi.org/10.1117/12.806864
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We report on a real-time, non-invasive, and all optical microfluid temperature measurement technique using the surface plasmon resonance. The technique results in 0.03°C temperature resolution of liquid volumes as small as 20μL and thus may have applications in a myriad of fields including micro-fluidics, micro-chemistry, and biophysics. We also propose a technique for achieving a 25-fold increase in sensitivity. These all-optical measurements may be integrated into a fiber-optic systems providing great potential for use in emerging lab-on-chip and remote sensing technologies.

Citation Download Citation

Lawrence J. Davis III and Miriam Deutsch "Surface plasmon based real-time microfluid temperature sensor", Proc. SPIE 7218, Integrated Optics: Devices, Materials, and Technologies XIII, 72180X (9 February 2009); https://doi.org/10.1117/12.806864

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KEYWORDS

Liquids

Temperature metrology

Reflectivity

Dielectrics

Silver

Thermal optics

Refractive index

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