P20 - Practical Realization of Johnson’s Noise Thermometer

Event
SMSI 2025
2025-05-06 - 2025-05-08
Nürnberg
Band
Poster
Chapter
Poster Session
Author(s)
J. Martinek, V. Hortvík, P. Klapetek - Czech Metrology Institute, Brno (Czech Republic)
Pages
271 - 272
DOI
10.5162/SMSI2025/P20
ISBN
978-3-910600-06-5
Price
free

Abstract

A practical realization of a thermometer utilizing Johnson’s noise is presented. At 2019 new definition of SI units was adopted an Kelvin is not based on triple point of water as it used to be before. Boltzmann constant has a fixed value instead from which Kelvin could be derived in various ways.

Download