| Phenomena of optic-bound effect on fibre optic gyro |
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| 作者姓名： | 宋凝芳 张春熹 金靖 |
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| 作者单位： | School of Instrument Science \& Optoelectronic Engineering,
Beijing University of Aeronautics \& Astronautics, Beijing rm
100083, China;School of Instrument Science \& Optoelectronic Engineering,
Beijing University of Aeronautics \& Astronautics, Beijing rm
100083, China;School of Instrument Science \& Optoelectronic Engineering,
Beijing University of Aeronautics \& Astronautics, Beijing rm
100083, China |
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| 摘 要： | The optic-bound effect on fibre optic gyro （FOG） precision is analysed theoretically, and formulas describing the change of FOG light power under the action of optic-bound effect are given. It is confirmed that optic-bound effect is a main instantaneous non-reciprocity effect of FOG in addition to the Sagnac effect and can lead to a dynamic error of FOG in practical environments. An approach to suppressing or eliminating the error due to the optic-bound effect is presented and verified experimentally. The result shows that the approach is valid and the precision of FOG is improved observably.
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| 关 键 词： | 纤维光学 陀螺 声学噪音 光学束缚效应 相位差 |
| 收稿时间： | 2006-05-22 |
| 修稿时间： | 2006-05-222006-09-18 |
Phenomena of optic-bound effect on fibre optic gyro |
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| Song Ning-Fang,Zhang Chun-Xi and Jin Jing.Phenomena of optic-bound effect on fibre optic gyro[J].Chinese Physics B,2007,16(3):735-739. |
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| Authors: | Song Ning-Fang Zhang Chun-Xi and Jin Jing |
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| Institution: | School of Instrument Science \& Optoelectronic Engineering,
Beijing University of Aeronautics \& Astronautics, Beijing rm
100083, China |
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| Abstract: | The optic-bound effect on fibre optic gyro (FOG) precision is
analysed theoretically, and formulas describing the change of FOG
light power under the action of optic-bound effect are given. It is
confirmed that optic-bound effect is a main instantaneous
non-reciprocity effect of FOG in addition to the Sagnac effect and
can lead to a dynamic error of FOG in practical environments. An
approach to suppressing or eliminating the error due to the
optic-bound effect is presented and verified experimentally. The
result shows that the approach is valid and the precision of FOG is
improved observably. |
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| Keywords: | fibre optics gyro optic-bound
effect acoustic noise |
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