Fabrication and Characterization of Bragg Grating in CYTOP POF at 600-nm Wavelength

Rui Min, Beatriz Ortega, Arnaldo Leal-Junio, Carlos Marques

Research output: Contribution to journalArticlepeer-review


We demonstrate Bragg grating inscription in commercial CYTOP POF at a wavelength of 600 nm using a 248 nm krypton fluoride excimer laser system with a repetition rate of 40 Hz and average pulse energy of 0.60 ± 0.02 mJ during 60 min. Experimental characterization of the Bragg grating is performed under different conditions, where the temperature and strain sensitivities were accurately measured to define potential sensing and optical communication applications. Furthermore, different humidity conditions were experimentally tested, and it was proved CYTOP POF as a good candidate for sensing applications under humidity change environment.
Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalIEEE Sensors Letters
Issue number3
Early online date18 Jun 2018
Publication statusPublished - Sept 2018

Bibliographical note

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Funding: Fundacio para a Ciencia e a Tecnologia; Research Excellence Award Programme


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