High relative humidity measurements using gelatin coated long-period grating sensors

A long-period grating (LPG) coated with gelatin was developed as a high relative humidity (RH) sensor. The resonance dip or coupling strength of the LPG spectrum varies with RH. Experimental investigations on the sensor yield a sensitivity of 0.833%RH/dB with an accuracy of ±0.25%RH, and a resolutio...

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Bibliographic Details
Main Authors: Tan, Khay Ming, Tay, Chia Meng, Tjin, Swee Chuan, Chan, Chi Chiu, Rahardjo, Harianto
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2011
Subjects:
Online Access:https://hdl.handle.net/10356/94519
http://hdl.handle.net/10220/7337
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Institution: Nanyang Technological University
Language: English

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