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Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The schematic diagram of the fiber-optic temperature sensor based on an optoelectronic.

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Presentation on theme: "Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The schematic diagram of the fiber-optic temperature sensor based on an optoelectronic."— Presentation transcript:

1 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The schematic diagram of the fiber-optic temperature sensor based on an optoelectronic oscillator (OEO) loop. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

2 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The calculated relationship between the sensing responsivity and the length of the sensing fiber with different values of L1. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

3 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The measured spectrum of the OEO at room temperature. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

4 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. (a) The measured spectrum of the harmonic at ∼ 3 GHz with different temperature and (b) the relationship between the peak frequency and the temperature. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

5 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The relationship between peak frequency shift and temperature variation when the harmonics at 1, 1.5, 2, and 3 GHz are tracked, respectively, with the sensing fiber length of ∼ 88 m. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

6 Date of download: 7/2/2016 Copyright © 2016 SPIE. All rights reserved. The relationship between the peak frequency shift and temperature variation when the harmonics at 1, 1.5, 2, and 3 GHz are tracked, respectively, with the sensing fiber length of ∼ 200 m. Figure Legend: From: Fiber-optic temperature sensor interrogation technique based on an optoelectronic oscillator Opt. Eng. 2015;55(3):031107. doi:10.1117/1.OE.55.3.031107

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