Characterization and Use of a Fiber Optic Sensor Based on PAH/SiO2 Film for Humidity Sensing in Ventilator Care Equipment. - Francisco Ulises Hernandez; Stephen P. Morgan; Barrie Hayes-Gill; Daniel Harvey; William Kinnear; Andrew Norris; David Evans 010; Jonathan G. Hardman; Sergiy Korposh (IEEE Trans. Biomed. Eng., 2016)