UV-written gratings in germanosilicate-glass optical fibers and film waveguides

Riccardo Falciai; Michele A. Forastiere; Stefano Pelli; Giancarlo C. Righini; Paolo Castelli; P. Giacosa

doi:10.1117/12.347908

28 April 1999 UV-written gratings in germanosilicate-glass optical fibers and film waveguides

Riccardo Falciai, Michele A. Forastiere, Stefano Pelli, Giancarlo C. Righini, Paolo Castelli, P. Giacosa

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347908
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

Diffraction gratings were fabricated both in optical slab waveguides and in optical fibers by irradiation with KrF excimer-laser pulses. Preliminary results are presented for the waveguide gratings, written in germano-silicate glasses and films. Arrays of in-fiber Bragg gratings were produced by using the phase mask method and an improved stretch-and-write technique. A purposely designed apparatus is described, which allows us to write spectrally well separated as well as concatenated grating arrays: both these kinds of structures can find applications as passive components in telecommunication systems.

Citation Download Citation

Riccardo Falciai, Michele A. Forastiere, Stefano Pelli, Giancarlo C. Righini, Paolo Castelli, and P. Giacosa "UV-written gratings in germanosilicate-glass optical fibers and film waveguides", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347908

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KEYWORDS

Fiber Bragg gratings

Optical filters

Optical fibers

Waveguides

Glasses

Diffraction gratings

Optical design

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