Article

Journal of Low Temperature Physics

, Volume 160, Issue 5, pp 246-253

A New Type of Carbon Resistance Thermometer with Excellent Thermal Contact at Millikelvin Temperatures

  • Nodar SamkharadzeAffiliated withDepartment of Physics, Purdue University Email author 
  • , Ashwani KumarAffiliated withDepartment of Physics, Purdue University
  • , Gábor A. CsáthyAffiliated withDepartment of Physics, Purdue University

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Abstract

Using a new brand of commercially available carbon resistor we built a cryogenic thermometer with an extremely good thermal contact to its thermal environment. Because of its superior thermal contact the thermometer is insensitive to low levels of spurious radio frequency heating. We calibrated our thermometer down to 5 mK using a quartz tuning fork He-3 viscometer and measured its thermal resistance and thermal response time.

Keywords

Carbon composition thermometer Cryogenic thermometry Resistance thermometry Millikelvin thermometry