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Conferences > Photonics > 2012 > W2B > W2B.4

Long Period Fiber Grating Humidity Sensor with Gelatin/Cobalt Chloride coating

Nishtha Panwar, Umesh Tiwari, Nidhi, Mohd Mansoor Khan, Subhash C. Jain, Rajeev Garg, and Pawan Kapur

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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.

© 2012 Optical Society of America

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