Fibre optic gyroscope
文献类型：专利
| 作者 | MASUDA, SHIGEFUMI; IWAMA, TAKEO; OKAMOTO, AKIRA |
| 发表日期 | 1991-03-13 |
| 专利号 | EP0107373B1 |
| 著作权人 | FUJITSU LIMITED |
| 国家 | 欧洲专利局 |
| 文献子类 | 授权发明 |
| 其他题名 | Fibre optic gyroscope |
| 英文摘要 | A fibre-optic gyro includes a laser diode LD, a light detector DET, and a coiled optical fibre FC. Light from the laser diode LD is introduced into opposite ends of the coiled optical fibre FC and is propagated through the coiled optical fibre in opposite directions. Light beams emerging from the coiled optical fibre FC are synthesised and applied to the light detector, and changes in phase in the light caused by rotation of the coiled optical fibre FC enable the speed of rotation to be detected from the output of the light detector DET. The light is coupled into and from the coiled optical fibre using various combinations of lenses, L3, L4, a half mirror HF, optical fibres with inclined end faces F11a, F12a, F13a, F13b, and a Rochon prism 4 The various light coupling systems all avoid the need for a depolariser and phase modulator in the optical fibre coil, thereby reducing the complexity and size of the fibre-optic gyro. |
| 公开日期 | 1991-03-13 |
| 申请日期 | 1983-09-27 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/35785]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | FUJITSU LIMITED |
| 推荐引用方式 GB/T 7714 | MASUDA, SHIGEFUMI,IWAMA, TAKEO,OKAMOTO, AKIRA. Fibre optic gyroscope. EP0107373B1. 1991-03-13. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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