13 October 2005 Fabrication of multiple fiber-Bragg gratings on one SMF using a single phase-mask
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UV light from an Excimer laser operating at 248 nm with fluence of 800 mJ/cm2 per pulse at 30 Hz repetition rate is used for writing process of a fiber Bragg Grating (FBG). Multiple FBGs with different center wavelength and reflectivity are produced by varying strain and exposure time on a single strand of a SMF where 1552.75 nm is the center wavelength of the unstretched FBG. The in-situ measurement of the reflectivity, bandwidth and center wavelength of each Bragg grating will be described. We will also present an RF technique for measuring the separation between two adjacent FBGs.
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Nigel Sayers, Nigel Sayers, Sergio Granieri, Sergio Granieri, Azad Siahmakoun, Azad Siahmakoun, } "Fabrication of multiple fiber-Bragg gratings on one SMF using a single phase-mask", Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 59701J (13 October 2005); doi: 10.1117/12.628724; https://doi.org/10.1117/12.628724

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