Abstract

We show the effect of reflections at the fiber ends on the drift characteristics of a fiber-optic passive ring-resonator gyro. A rotation-detection sensitivity as low as 3 × 10−5 rad/sec (τ = 30 sec) was obtained by reducing the effect of reflected lights with an optical phase modulator.

© 1988 Optical Society of America

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References

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  1. R. E. Meyer, S. Ezekiel, D. W. Stowe, V. J. Tekippe, Opt. Lett. 8, 644 (1983).
    [CrossRef] [PubMed]
  2. K. Iwatsuki, K. Hotate, M. Higashiguchi, Appl. Opt. 23, 3916 (1984).
    [CrossRef] [PubMed]
  3. K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
    [CrossRef]
  4. K. Hotate, M. Murakami, in Proceedings of the Fifth International Conference on Optical Fiber Sensors (Optical Society of America, Washington, D.C., 1988), paper FBB6.
  5. M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.
  6. G. A. Sanders, M. G. Prentiss, S. Ezekiel, Opt. Lett. 6, 569 (1981).
    [CrossRef] [PubMed]
  7. M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

1986 (1)

K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
[CrossRef]

1984 (1)

1983 (1)

1981 (1)

Ezekiel, S.

Hamanaka, K.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.

Higashiguchi, M.

K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
[CrossRef]

K. Iwatsuki, K. Hotate, M. Higashiguchi, Appl. Opt. 23, 3916 (1984).
[CrossRef] [PubMed]

Hotate, K.

K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
[CrossRef]

K. Iwatsuki, K. Hotate, M. Higashiguchi, Appl. Opt. 23, 3916 (1984).
[CrossRef] [PubMed]

K. Hotate, M. Murakami, in Proceedings of the Fifth International Conference on Optical Fiber Sensors (Optical Society of America, Washington, D.C., 1988), paper FBB6.

Iwatsuki, K.

K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
[CrossRef]

K. Iwatsuki, K. Hotate, M. Higashiguchi, Appl. Opt. 23, 3916 (1984).
[CrossRef] [PubMed]

Kyuma, K.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

Meyer, R. E.

Murakami, M.

K. Hotate, M. Murakami, in Proceedings of the Fifth International Conference on Optical Fiber Sensors (Optical Society of America, Washington, D.C., 1988), paper FBB6.

Prentiss, M. G.

Sanders, G. A.

Stowe, D. W.

Tai, S.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

Takahashi, M.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.

Tekippe, V. J.

Appl. Opt. (1)

IEEE J. Lightwave Technol. (1)

K. Iwatsuki, K. Hotate, M. Higashiguchi, IEEE J. Lightwave Technol. LT-4, 645 (1986).
[CrossRef]

Opt. Lett. (2)

Other (3)

K. Hotate, M. Murakami, in Proceedings of the Fifth International Conference on Optical Fiber Sensors (Optical Society of America, Washington, D.C., 1988), paper FBB6.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, submitted to IEEE J. Lightwave Technol.

M. Takahashi, S. Tai, K. Kyuma, K. Hamanaka, Opt. Lett. (to be published).

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram of the FOPRG. LD’s, laser diodes; PD’s, photodiodes; HM’s, half-mirrors; fm, oscillation frequency of Oscillator(2); fi, oscillation frequency of Oscillator(1); other abbreviations defined in text.

Fig. 2
Fig. 2

Calculated variation of the resonant characteristics of the fiber-ring resonator.

Fig. 3
Fig. 3

Observed variation of the resonant characteristics of the fiber-ring resonator (R ≃ 4%).

Fig. 4
Fig. 4

Calculated normalized maximum drift width as a function of the normalized optical phase-modulation amplitude. FORR, fiber-optic ring resonator.

Fig. 5
Fig. 5

Measured drift characteristics of the gyro output. The time constant was 30 sec.

Equations (1)

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d θ m θ m < D F L 2 . 7 × 10 8 λ R Ω ,

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