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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 | Journal: | Sensors | Series/Report no.: | /17 (2017) | Issue Date: | 28-Jan-2017 | DOI: | 10.3390/s17020258 | 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. |
| Appears in Collections: | Article published / in press |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Cosci+_Sen_2017.pdf | 127.32 kB | Adobe PDF | View/Open |
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