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[2862] Artykuł: Optical wavelength discriminator with an apodized uniform fiber Bragg gratingCzasopismo: Proceedings of SPIE Tom: 5576, Strony: 50-53ISSN: 0277-786X ISBN: 0-8194-5525-3 Wydawca: SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA Opublikowano: 2004 Seria wydawnicza: PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Publikacja w recenzowanym czasopiśmie wymienionym w wykazie ministra MNiSzW (część B) Punkty MNiSW: 4 Klasyfikacja Web of Science: Proceedings Paper DOI Web of Science Keywords: optical fiber  Bragg grating  discriminator  |
In the paper the results of simulation and experimental investigation are presented of an optical frequency discriminator with an apodized, fiber Bragg grating of a constant period, cooperating with an identical grating of the sensor. Assuming the nonlinearity of the discriminator's conversion characteristic not greater than 1%, a conversion range of 0.30nm was achieved, for gratings with a 3dB bandwidth of 0.45nm. Discriminators of such a type can be useful in many problems of dynamic measurements of mechanical quantities. Their certain inconvenience is the necessity of using an optical circulator, which is more expensive than a fiber optic coupler.