Ring laser gyro device
文献类型：专利
| 作者 | NAKAMURA SHIGERU; HOJO TAKESHI |
| 发表日期 | 1992-05-27 |
| 专利号 | JP1992154179A |
| 著作权人 | 株式会社トキメック |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Ring laser gyro device |
| 英文摘要 | PURPOSE:To scarcely generate a lock-in phenomenon and to reduce in size an entire device by composing a substantially circular optical waveguide of a light emitting element and an optical resonator, cutting out part of the waveguide, and inserting a Faraday element. CONSTITUTION:An optical resonator of an output light of a light emitting element 19 is composed of a substantially circular optical waveguide 14 provided on a gyro board 12, and a light turning in one direction and a light turning in the other direction exist in mixture in the resonator. A beat signal is obtained through a directional coupler 16, a Y-type branched coupler 17 and a photodetector 18A, and the rotating angular speed of the resonator can be detected by the frequency of the signal. Part of the waveguide 14 is partly cut out, and a Faraday element 20 is inserted to provide a desired phase difference between the light turning in one direction and the light turning in the other direction in the resonator. Since an optical fiber is not used, a large scale lock-in phenomenon caused by the internal scattering of the fiber does not occur, and the waveguide is reduced in size, and hence the entire device can be reduced in size. |
| 公开日期 | 1992-05-27 |
| 申请日期 | 1990-10-18 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/88410]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | 株式会社トキメック |
| 推荐引用方式 GB/T 7714 | NAKAMURA SHIGERU,HOJO TAKESHI. Ring laser gyro device. JP1992154179A. 1992-05-27. |
入库方式： OAI收割
来源：西安光学精密机械研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。