Relative Humidity Sensors Using Hydrogel-Coated Long Period Fiber Grating

Liwei Wang; Dongsheng Tu; Xianhui Mao; Min Zhang; Yanbiao Liao

doi:10.1364/ofs.2006.tue38

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JOURNAL ARTICLE

Relative Humidity Sensors Using Hydrogel-Coated Long Period Fiber Grating

Liwei Wang Dongsheng Tu Xianhui Mao Min Zhang Yanbiao Liao

Year: 2006 Journal: Optical Fiber Sensors Pages: TuE38-TuE38

DOI: 10.1364/ofs.2006.tue38

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Abstract

The hydrogel-coated Long Period Grating was investigated for monitoring the Relative Humidity(RH). The resonant wavelength shifted when RH varied from 38.9% to 100%, with a resolution of ±0.3%RH and an accuracy of ±1.0%RH.

Keywords:

Relative humidity Grating Materials science Period (music) Wavelength Humidity Optics Diffraction grating Optoelectronics Meteorology Acoustics Physics

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Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Analytical Chemistry and Sensors

Physical Sciences → Chemical Engineering → Bioengineering

Relative Humidity Sensors Using Hydrogel-Coated Long Period Fiber Grating

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