Distributed optical fiber sensor using Sagnac for acoustic detection
A distributed optical fiber acoustic sensor based on in-line Sagnac is presented.After clockwise and counterclockwise light waves are recombined,interference in 3×3 coupler is produced.The acoustic sensor uses photo detector（PD）,data acquisition card,filter and amplification to realize photo electri...
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| Principais autores: | , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Publishing Center of North University of China
2017-01-01
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| coleção: | Journal of Measurement Science and Instrumentation |
| Assuntos: | |
| Acesso em linha: | http://jmsi.publish.founderss.cn/thesisDetails?columnId=47040435&Fpath=home&index=0 |
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