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THz Pyro-Optical Detector Based on LiNbO3 Whispering Gallery Mode Microdisc Resonator

Alessandro Cosci, Matteo Cerminara, Gualtiero Conti, Silvia Soria, Giancarlo Righini, Stefano Pelli
2017 Sensors  
This study analyzes the capabilities of a LiNbO3 whispering gallery mode microdisc resonator as a potential bolometer detector in the THz range.  ...  This value opens up the feasibility of exploiting LiNbO3 disc resonators as sensitive room-temperature detectors in the THz range.  ...  Whispering gallery mode (WGM) microresonators are optical resonators characterized by a high quality factor, up to 10 11 [23] , and, therefore, they are suitable for high-precision sensing applications  ... 
doi:10.3390/s17020258 pmid:28134857 pmcid:PMC5336064 fatcat:qbiqws6yafe7pc2qwmio5aanv4