Tunable Optical Filter Based on Mechanically Induced Cascaded Long Period Optical Fiber Grating | Zendy

Sunita P. Ugale | Zendy; Vivekanand Mishra | Zendy

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Tunable Optical Filter Based on Mechanically Induced Cascaded Long Period Optical Fiber Grating

Author(s) -

Sunita P. Ugale,

Vivekanand Mishra

Publication year - 2013

Publication title -

journal of photonics

Language(s) - English

Resource type - Journals

eISSN - 2356-7562

pISSN - 2314-6451

DOI - 10.1155/2013/415059

Subject(s) - materials science , multi mode optical fiber , optics , long period fiber grating , fiber bragg grating , dispersion shifted fiber , full width at half maximum , optical fiber , graded index fiber , polarization maintaining optical fiber , plastic optical fiber , optoelectronics , optical filter , fiber optic sensor , wavelength , physics

We have proposed and demonstrated experimentally a novel and simple tunable optical filter based on mechanically induced and cascaded long period optical fiber gratings. In this filter variable FWHM and center wavelength is provided by cascading long period and ultralong period optical fiber gratings with different periods in a novel fiber structure. We report here for the first time to our knowledge the characterization of mechanically induced long period fiber gratings with periods up to several millimeters in novel multimode-single-mode-multimode fiber structure. We have obtained maximum loss peak of around 20 dB

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