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The purpose of this letter is to present a preliminary experiment, showing that an optoelectronic oscillator can be used for measuring refractive index by detecting the change of the oscillation frequency. The uncertainty of the measurement is of about 10-2. However, this value can decrease to 10-3 or less if the mechanic vibrations, the temperature control of liquid, and the long-term stability of...
The Opto Electronic Oscillator proves a lower phase noise with respect to the classic quartz based oscillators. In this paper we describe an experimental setup of a microwave optoelectronic oscillator operating in the radar band based on a novel optical component, the Frequency Shifter, and operating on a dual frequency (SSB) modulation scheme. We have theoretically modelled and experimentally measured...
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