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.
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