原文传递
Fiber-optic wheel rotation sensor. Final report CRADA No. LA93C10086
| 题名： | Fiber-optic wheel rotation sensor. Final report CRADA No. LA93C10086 |
| 关键词： | 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; ROTATION; MEASURING METHODS; WHEELS; FIBER OPTICS; OPTICAL FIBERS; FERRITE GARNETS; BISMUTH COMPOUNDS; VEHICLES |
| 摘要： | Two approaches for a fiber optic wheel rotation sensor down to zero RPM have been pursued. The first approach using magnetic domain diffraction of light in a BIG (bismuth iron garnet) material has been demonstrated and the further technical developments to routinely produce a practical product have been identified. The second approach involving Faraday rotation of light within the BIG crystal has been developed and a working sensor has been demonstrated. Both sensors rely on a magnetic tone ring which is mounted within the bearing of the wheel. |
| 总页数： | 6p |
| 报告类型： | 科技报告 |
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