Vito C. Fernicola

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A novel microwave whispering gallery mode (WGM) resonator based on a spherical sapphire crystal was developed at INRIM and its use as a thermometer was tested. The temperature dependence of the WGM frequencies was studied and the most promising resonance near to 13.6 GHz, with a loaded quality factor as large as 82 000, was carefully investigated. Its(More)
This paper presents a state-of-the-art whispering gallery mode (WGM) thermometer system, which could replace platinum resistance thermometers currently used in many industrial applications, thus overcoming some of their well-known limitations and their potential for providing lower measurement uncertainty. The temperature-sensing element is a(More)
A sapphire rod resonator was presented here and the dimension optimization for the cavity was implemented based on the sapphire rod which is 6 mm in diameter and 30 mm in length. For a resonator the Q factor, coupling strength, energy portion on the sapphire were the most important factors. This paper will mainly focus on the analysis of these three(More)
The correct estimate of individual thermal energy consumptions, and consequently, a fair heat cost allocation among the residents of apartment buildings with centralized heating systems, represents an important driving force towards energy saving, energy efficiency and the reduction of pollutant emissions. Nowadays, in those contexts where direct heat(More)
Nowadays, sapphire resonator thermometer is a novel field starts from 2007 at NIST [1] and lots of work were done then by Strouse [1] and Yu et al. [2], [3] based on spherical and cylindrical sapphire. In order to make the thermometer more and more compact, sapphire rod was studied. Investigations on potential perturbations were firstly studied before the(More)
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