Title :
Long period fiber grating humidity sensor with Gelatin/Cobalt chloride coating
Author :
Panwar, Nisha ; Tiwari, Usha ; Nidhi ; Khan, M.M. ; Jain, S.C. ; Garg, Radhika ; Kapur, Pawan
Author_Institution :
Central Sci. Instrum. Organ., Chandigarh, India
Abstract :
A long -period fiber grating coated with Cobalt chloride and Gelatin is developed and experimentally demonstrated as humidity sensor. Relative humidity variations from 35% to 90% have been detected with the sensitivity of 0.18 nm/ %RH.
Keywords :
cobalt compounds; diffraction gratings; fibre optic sensors; gelatin; humidity; humidity sensors; optical fibre cladding; CoCl; gelatin-cobalt chloride coating; long period fiber grating humidity sensor; relative humidity;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1
