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Spherical-sapphire-based whispering gallery mode resonator thermometer
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10.1063/1.4746991
/content/aip/journal/rsi/83/9/10.1063/1.4746991
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/9/10.1063/1.4746991

Figures

Image of FIG. 1.
FIG. 1.

(a) Top cap of the cavity supporting the spherical sapphire and antennas; (b) polished gold-plated bottom cap, cavity body with o-ring seals, and vacuum line.

Image of FIG. 2.
FIG. 2.

(a) 3D graph and (b) 2D equatorial cross section of the electric energy density for the WGM near to 13.5 GHz (m = 3).

Image of FIG. 3.
FIG. 3.

Relative fitting residuals found in the estimation of the real and imaginary part of center frequency peak f 0 for the WGM1 mode.

Image of FIG. 4.
FIG. 4.

Cubic fitting residuals, as converted in temperature unit, for the WGM thermometer calibration between −40 °C and 85 °C.

Image of FIG. 5.
FIG. 5.

Quartic fitting residuals, as converted in temperature unit, for the WGM thermometer calibration between −40 °C and 85 °C.

Image of FIG. 6.
FIG. 6.

Fractional changes of center frequency f 0 with temperature (WGM thermometer sensitivity) for mode WGM1.

Image of FIG. 7.
FIG. 7.

Ice melting point repeatability of the WGM thermometer over three days of measurement.

Image of FIG. 8.
FIG. 8.

Short-term temperature stability at the ice melting point.

Image of FIG. 9.
FIG. 9.

Comparison of the response to temperature steps of the WGM thermometer and the PRT.

Tables

Generic image for table
Table I.

WGM frequency and Q calculated for the INRIM WGM resonator thermometer at three azimuthal mode numbers.

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/content/aip/journal/rsi/83/9/10.1063/1.4746991
2012-09-24
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spherical-sapphire-based whispering gallery mode resonator thermometer
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/9/10.1063/1.4746991
10.1063/1.4746991
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