Title :
Generation of selective fringes with cascaded long-period gratings
Author :
Del Villar, Ignacio ; Achaerandio, M. ; Arregui, Francisco J. ; Matias, Ignacio R.
Author_Institution :
Electr. & Electron. Eng. Dept., Univ. Publica de Navarra, Pamplona
fDate :
7/1/2006 12:00:00 AM
Abstract :
The inscription of cascaded long-period gratings of different periods in optical fiber permits us to obtain both narrowband and wideband filters in the same spectrum. If used as an optical transducer, it may permit us to detect with the same device-wide and small parameter changes. The transmission spectra have been simulated using a theoretical model based on LP mode coupling and have been also experimentally demonstrated
Keywords :
diffraction gratings; fibre optic sensors; optical filters; transducers; LP mode coupling; cascaded gratings; long-period gratings; narrowband filters; optical fiber; optical transducer; selective fringe generation; transmission spectra; wideband filters; Attenuation; Couplings; Diffraction gratings; Fiber gratings; Optical attenuators; Optical device fabrication; Optical fiber communication; Optical fiber sensors; Optical interferometry; Optical sensors; Coupled-mode analysis; Mach–Zehnder interferometer; long-period gratings; optical fiber sensors;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.877567
