Sensitivity optimization of ZnO clad-modified optical fiber humidity sensor by means of tuning the optical fiber waist diameter
In this work, the multimode optical fiber size effects on the performances of the clad-modified fiber with ZnO nanorods relative humidity (RH) sensor were experimentally investigated. Simple and controlled chemical etching method through on line monitoring was used to prepare different fiber waist d...
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| Veröffentlicht in: | Optics and laser technology 2017-05, Vol.90, p.96-101 |
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| creator | Azad, Saeed Sadeghi, Ebrahim Parvizi, Roghaieh Mazaheri, Azardokht Yousefi, M. |
| description | In this work, the multimode optical fiber size effects on the performances of the clad-modified fiber with ZnO nanorods relative humidity (RH) sensor were experimentally investigated. Simple and controlled chemical etching method through on line monitoring was used to prepare different fiber waist diameter with long length of 15mm. More precisely, the competition behavior of sensor performances with varying fiber waist diameter was studied to find appropriate size of maximizing evanescent fields. The obtained results revealed that evanescent wave absorption coefficient (γ) enhanced more than 10 times compare to bare fiber at the proposed optimum fiber diameter of 28µm. Also, high linearity and fast recovery time about 7s was obtained at the proposed fiber waist diameter. Applicable features of the proposed sensor allow this device to be used for humidity sensing applications, especially to be applied in remote sensing technologies.
•Dimensional controlled ZnO nanorods with high density were synthesized.•Optical fiber diameter effects on the sensor performance were investigated.•Proposed Sensors exhibited high sensitivity and noticeable linearity.•Dynamic response of the sensor illustrated rapid response and recovery time. |
| doi_str_mv | 10.1016/j.optlastec.2016.11.005 |
| format | Article |
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•Dimensional controlled ZnO nanorods with high density were synthesized.•Optical fiber diameter effects on the sensor performance were investigated.•Proposed Sensors exhibited high sensitivity and noticeable linearity.•Dynamic response of the sensor illustrated rapid response and recovery time.</description><subject>Absorptivity</subject><subject>Chemical etching</subject><subject>Etched multimode optical fiber</subject><subject>Evanescent field</subject><subject>Fiber optic sensor</subject><subject>Fiber optics</subject><subject>Fibers</subject><subject>Humidity</subject><subject>Hydrothermal</subject><subject>Linearity</subject><subject>Nanorods</subject><subject>Optical fibers</subject><subject>Optimization</subject><subject>Recovery time</subject><subject>Relative humidity</subject><subject>Relative humidity (RH) sensor</subject><subject>Remote sensing</subject><subject>Sensors</subject><subject>Size effects</subject><subject>Studies</subject><subject>Zinc oxide</subject><subject>Zinc oxide nanorods</subject><subject>Zinc oxides</subject><issn>0030-3992</issn><issn>1879-2545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkU1v1DAQhi0EEkvhN2CJC5eEcWIn8bGq-JIq9QBcuFiOPaGzSuLFdoqWC38dL4t66KUnS6Pnecejl7HXAmoBonu3r8MhzzZldHVTBrUQNYB6wnZi6HXVKKmesh1AC1WrdfOcvUhpDwCyU-2O_fmCa6JMd5SPvATRQr9tprDyMPHv6w13s_XVEjxNhP4f4ezMJxox8tttIX8SUwkJkY9HvqBd08nN20rrD55v8YH0y1LK3JNdMGN8yZ5Ndk746v97wb59eP_16lN1ffPx89XldeXavsvVJGGAUTUWvEYlcBwn5dTYaRBaqt55KztAHPQgdauVaIfOC-l63yjosRXtBXt7zj3E8HPDlM1CyeE82xXDlowYBgAhW9kV9M0DdB-2uJbfmbJMd4WRQ6H6M-ViSCniZA6RFhuPRoA5FWP25r4YcyrGCGFKMcW8PJtY7r0jjCY5wtWhp4guGx_o0Yy_CyOcsw</recordid><startdate>20170501</startdate><enddate>20170501</enddate><creator>Azad, Saeed</creator><creator>Sadeghi, Ebrahim</creator><creator>Parvizi, Roghaieh</creator><creator>Mazaheri, Azardokht</creator><creator>Yousefi, M.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20170501</creationdate><title>Sensitivity optimization of ZnO clad-modified optical fiber humidity sensor by means of tuning the optical fiber waist diameter</title><author>Azad, Saeed ; 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Simple and controlled chemical etching method through on line monitoring was used to prepare different fiber waist diameter with long length of 15mm. More precisely, the competition behavior of sensor performances with varying fiber waist diameter was studied to find appropriate size of maximizing evanescent fields. The obtained results revealed that evanescent wave absorption coefficient (γ) enhanced more than 10 times compare to bare fiber at the proposed optimum fiber diameter of 28µm. Also, high linearity and fast recovery time about 7s was obtained at the proposed fiber waist diameter. Applicable features of the proposed sensor allow this device to be used for humidity sensing applications, especially to be applied in remote sensing technologies.
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| identifier | ISSN: 0030-3992 |
| ispartof | Optics and laser technology, 2017-05, Vol.90, p.96-101 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Absorptivity Chemical etching Etched multimode optical fiber Evanescent field Fiber optic sensor Fiber optics Fibers Humidity Hydrothermal Linearity Nanorods Optical fibers Optimization Recovery time Relative humidity Relative humidity (RH) sensor Remote sensing Sensors Size effects Studies Zinc oxide Zinc oxide nanorods Zinc oxides |
| title | Sensitivity optimization of ZnO clad-modified optical fiber humidity sensor by means of tuning the optical fiber waist diameter |
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