K. Iwatsuki, K. Hotate, M. Higashiguchi

Research output: Contribution to conferencePaperpeer-review

5 Citations (Scopus)


The optical passive ring-resonator gyro (OPRG) has been studied for its potential to reduce the length of the sensing loop and to realize a wide dynamic range. In this paper, the Kerr effect in the OPRG is newly analyzed taking account of the optical source coherence. It is clear that this effect can cause a drift greater than the shot-noise limit we discussed previously, especially for a higher coherence source. A low coherence optical source can be successfully adopted in a fiber gyro to reduce the Kerr effect noise but that cannot be used for an OPRG. The method of eliminating this drift is also discussed.

Original languageEnglish
Pages148, 150-151
Publication statusPublished - 1985 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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