Remote System for Detection of Low-Levels of Methane Based on Photonic Crystal Fibres and Wavelength Modulation Spectroscopy. - Joel Pedro Carvalho; Hartmut Lehmann; Hartmut Bartelt; Filipe Magalhães; Rodrigo Amezcua Correa; José Luís Santos; Jan Van Roosbroeck; Francisco M. Araújo; Luís Alberto Ferreira; J. C. Knight (J. Sensors, 2009)

Sensitivity Improvement of a Humidity Sensor Based on Silica Nanospheres on a Long-Period Fiber Grating. - Diana Catarino das Neves Viegas; Javier Goicoechea Fernández; José Luís Santos; Francisco M. Araújo; Luís Alberto Ferreira; Francisco J. Arregui; Ignacio R. Matías (Sensors, 2009)