Chinese Optics Letters, Volume. 5, Issue 4, 229(2007)
Er-doped fiber ring laser gyroscopes operating in continuous waves
A direction related polarizer was inserted into a ring laser cavity to eliminate one of the two eigen-modes as well as spatial hole burning of the gain medium in a bidirectional Er-doped fiber ring laser. Thus, a fiber ring laser gyroscope (FRLG) operating in continuous wave was demonstrated. A beat signal of over 30-dB noise was observed and a good linear relation between the beat frequency shift and cavity rotation rate was obtained.
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Jingren Qian, Jue Su, Xuxu Wang, Bing Zhu, "Er-doped fiber ring laser gyroscopes operating in continuous waves," Chin. Opt. Lett. 5, 229 (2007)
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