Fiber-optic acoustic sensors with increased sensitivity by use of composite structures
| Autor: | Hocker, G. B. |
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| Zdroj: | Optics Letters; October 1979, Vol. 4 Issue: 10 p320-321, 2p |
| Abstrakt: | Fiber-optic acoustic sensors having sensitivity nearly 2 orders of magnitude greater than that of sensors using bare fiber are reported. These new devices utilize a composite structure wherein the fiber is embedded in a material of lower elastic modulus that serves to increase the stress, and hence the optical phase shift, in the fiber for a given pressure. |
| Databáze: | Supplemental Index |
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