Fiber-optic microbend sensor structure
✍ Scribed by Ðonlagić, Denis; Završnik, Miha
- Book ID
- 115422470
- Publisher
- Optical Society of America
- Year
- 1997
- Tongue
- English
- Weight
- 262 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0146-9592
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We examine the effect of modal interference on the performance of a single mode-multimode-single mode (SMS) fiber optic microbend sensor structure. The study shows that if the coupling from higher order modes of the sensing multimode fiber to the lead-out single mode (SM) fiber is not zero, the outp
We report on sensitivity control of fiber optic sensors using microbend long-period fiber gratings. By tuning the phase difference between a pair of periodically aligned rod arrays that sandwiches a single-mode fiber, we can change the coupling strength of the core mode with radiating cladding modes