We present the characteristics and the performances of a heterodyne detection scheme allowing a robust frequency lock of the G-Pisa ring laser to a He-Ne Doppler shift stabilized reference laser. The system demonstrated a continuous unattended control of the laser frequency for several days of operation of the gyroscope with a single mode output power of about 500 pW.
A heterodyne frequency-stabilization method for large ring laser gyroscopes with Sub-nW output power
Stefani, Fabio;Belfi, Jacopo;Maccioni, Enrico
2013-01-01
Abstract
We present the characteristics and the performances of a heterodyne detection scheme allowing a robust frequency lock of the G-Pisa ring laser to a He-Ne Doppler shift stabilized reference laser. The system demonstrated a continuous unattended control of the laser frequency for several days of operation of the gyroscope with a single mode output power of about 500 pW.File in questo prodotto:
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