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Author: weston tew
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1. A Determination of the Ratio of the Zinc Freezing Point to the Tin Freezing Point by Noise Thermometry
Published: 9/12/2007
Authors: Weston Leo Tew, John Labenski, Samuel Paul Benz, Sae Woo Nam, Paul David Dresselhaus
Abstract: We have used a Johnson-Noise Thermometer (JNT) with a Quantized Voltage Noise Source (QVNS) as a calculable reference to determine the ratio of temperatures near the Zn freezing point to those near the Sn freezing point. The temperatures are derived ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830990

2. A Flux Locked Current Source Reference
Published: 6/1/1992
Authors: Weston Leo Tew, Edwin Ross Williams
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=17212

3. A Flux Locked Current Source Reference
Published: 4/1/1993
Authors: Weston Leo Tew, Edwin Ross Williams
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=24805

4. A New Approach to Johnson Noise Thermometry Using a Josephson Quantized Voltage Source for Calibration
Published: 4/1/2002
Authors: Samuel Paul Benz, John M Martinis, Sae Woo Nam, Weston Leo Tew, Douglas R White
Abstract: We describe a new approach to Johnson Noise Thermometry (JNT) that addresses certain limitations found in the conventional approach. The concept takes advantage of recent advances in digital synthesis and signal processing techniques together with a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830743

5. A New Approach to Johnson Noise Thermometry Using a Quantum Voltage Noise Source for Calibration
Published: 6/1/2002
Authors: Sae Woo Nam, Samuel Paul Benz, Paul David Dresselhaus, Weston Leo Tew, D. R White, John M. Martinis
Abstract: We describe a new approach to Johnson Noise Thermometry (JNT) that addresses certain limitations found in the conventional approach. The concept takes advantage of recent advances in digital synthesis and signal processing techniques together with ad ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=1083

6. A New Approach to Johnson Noise Thermometry using a Josephson Quantized Voltage Source
Published: 4/1/2002
Authors: Samuel Paul Benz, John M. Martinis, Sae Woo Nam, Weston Leo Tew, D. R White
Abstract: We describe a new approach to Johnson Noise Thermometry (JNT) that addresses certain limitations found in the conventional approach. The concept takes advantage of recent advances in digital synthesis and signal processing techniques together with ad ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=30773

7. A Revised Assessment of Calibration Uncertainties for Capsule Type Standard Platinum and Rhodium-Iron Resistance Thermometers
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6138
Published: 3/1/1998
Authors: Weston Leo Tew, Gregory F Strouse, Christopher W Meyer
Abstract: Calibration uncertainties for capsule type standard platinum and rhodium-iron resistance thermometers are reviewed and updated. Calibration procedures, thermometer characteristics, scale realization methods, and measurement techniques are described ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830585

8. A ratiometric method for Johnson noise thermometry using a quantized voltage noise source
Published: 1/1/2003
Authors: Sae Woo Nam, Samuel Paul Benz, John M. Martinis, Paul David Dresselhaus, Weston Leo Tew, D. R White
Abstract: Johnson Noise Thermometry (JNT) involves the measurement of the statistical variance of a fluctuating voltage across a resistor in thermal equilibrium. Modern digital techniques make it now possible to perform many functions required for JNT in highl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=30325

9. APPLICATIONS OF THERMAL AND QUANTIZED VOLTAGE NOISE FOR INTRINSIC TEMPERATURE STANDARDS
Published: 3/18/2011
Authors: Weston Leo Tew, Samuel Paul Benz
Abstract: The recent advances in ac waveform synthesis using quantized voltage pulses have enabled new methods for the measurement of absolute temperature. At the same time, the increased linearity and sampling rates of digital electronics have established fre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907802

10. Acoustic Thermometry: New Results From 273 K to 77 K and Progress Towards 4 K
Published: 1/1/2006
Authors: Laurent Pitre, Michael R Moldover, Weston Leo Tew
Abstract: We used a quasi-spherical cavity as an acoustic and microwave resonator to measure the thermodynamic temperatures T of the triple points of mercury, argon, neon, and equilibrium hydrogen, and to measure the difference T - T90, in the range 7 K to 273 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830941



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