A multistate single-connection calibration for microwave microfluidics

Cita com:
hdl:2117/114285
Tipo de documentoArtículo
Fecha de publicación2018-02
EditorIEEE Microwave Theory and Techniques Society
Condiciones de accesoAcceso abierto
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Resumen
With emerging medical, chemical, and biological applications of microwave-microfluidic devices, many researchers desire a fast and accurate calibration that can be achieved in
a single connection. However, traditional on-wafer or coaxial calibrations require measurements of several different artifacts to the data prior to measuring the microwave-microfluidic device.
Ideally, a single artifact would be able to present different impedance states to correct the vector network analyzer data, minimizing drift and eliminating artifact-to-artifact connection
errors. Here, we developed a multistate single-connection calibration that used a coplanar waveguide loaded with a microfluidic channel. We then used measurements of the uncorrected scattering parameters of the coplanar waveguide with the channel empty, filled with deionized water, and filled with 30 w% (30 grams per liter) of saline to construct an eight-term error
model and switch-term correction. After correction, the residuals between measured scattering parameters and with the literaturebased finite-element simulations were below -40 dB from
100 MHz to 110 GHz. This multistate single-connection calibration is compatible with both wafer-probed and connectorized microwave-microfluidic devices for accurate impedance spectroscopy
and materials characterization without the need for multiple device measurements.
Descripción
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CitaciónOrloff, N., Ma, X., Little, C., Mateu, J. A multistate single-connection calibration for microwave microfluidics. "IEEE transactions on microwave theory and techniques", 12 Octubre 2017, vol. 66, núm. 2, p. 1099-1107.
ISSN0018-9480
Versión del editorhttp://ieeexplore.ieee.org/document/8066439/
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