Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/11181
Authors: Cosci, Alessandro* 
Cerminara, Matteo* 
Conti, Gualtiero Nunzi* 
Soria, Silvia* 
Righini, Giancarlo C* 
Pelli, Stefano* 
Title: THz Pyro-Optical Detector Based on LiNbO₃ Whispering Gallery Mode Microdisc Resonator
Issue Date: 28-Jan-2017
Series/Report no.: /17 (2017)
DOI: 10.3390/s17020258
URI: http://hdl.handle.net/2122/11181
Abstract: This study analyzes the capabilities of a LiNbO₃ whispering gallery mode microdisc resonator as a potential bolometer detector in the THz range. The resonator is theoretically characterized in the stationary regime by its thermo-optic and thermal coefficients. Considering a Q-factor of 10⁷, a minimum detectable power of 20 μW was evaluated, three orders of magnitude above its noise equivalent power. This value opens up the feasibility of exploiting LiNbO₃ disc resonators as sensitive room-temperature detectors in the THz range.
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