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Browsing CAP - Other Publications by Author "José Luís Santos"
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ItemFibre Bragg Grating Sensor for Simultaneous Measurement of Salinity and Temperature( 2004) José Luís Santos ; Orlando Frazão ; Dionísio Pereira
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ItemH-2 Sensing Based on a Pd-Coated Tapered-FBG Fabricated by DUV Femtosecond Laser Technique( 2013) Susana Oliveira Silva ; Luís Carlos Coelho ; José Almeida ; Orlando Frazão ; José Luís Santos ; Malcata,FX ; Becker,M ; Rothhardt,M ; Bartelt,HAn optical fiber probe sensor based on a tapered-fiber Bragg grating (FBG) coated with 150-nm-thick Pd film is proposed for hydrogen detection. The FBG was written in a 50-mu m-diameter tapered fiber by deep ultraviolet femtosecond laser technology. A second FBG was inscribed in the 125 mu m-fiber section for temperature compensation. The sensing head was able to detect H-2 concentration in the range 0%-1% (v/v) H-2 at room temperature; a maximum sensitivity of 81.8 pm/%(v/v) H-2 was attained with temperature compensation. The influence of the Pd coating over temperature sensitivity of standard and tapered-FBGs is also presented.
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ItemIn Situ temperature measurement of an optical fibre submitted to electric arc discharges( 2004) Henrique Salgado ; José Luís Santos ; Gaspar Rego
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ItemMach-Zehnder and Michelson Topologies for Self-Referencing Fibre Optic Intensity Sensors( 2000) José Manuel Baptista ; José Luís Santos
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ItemOptical fiber probes for fluorescence based oxygen sensing( 2004) Carla Carmelo Rosa ; José Luís Santos ; Pedro Jorge ; Paulo Caldas ; Abel Oliva
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ItemSelf-Referenced Fibre Optic Intensity Sensor Based on a Multiple Beam Sagnac Topology( 2000) José Luís Santos ; José Manuel Baptista