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Optical low-coherence reflectometry characterization of cladding modes excited by long-period fiber gratings |
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| Authors: | Varelas D Iocco A Limberger H G Salathé R P Vasiliev S A Dianov E M Medvedkov O I Protopopov V N |
| Abstract: | The group refractive-index difference of cladding modes excited by a long-period fiber grating is characterized by use of the technique of optical low-coherence reflectometry, with a precision of <10(-4) . Very good agreement between theoretical and experimental results is demonstrated. |
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