Fiber Optic Coupler as Sensing Probe of Temperature Sensor

Endong, Mu; Wang, Min; Pang, Fufei; Wang, Tingyun

doi:10.1109/icemi.2007.4351113

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Fiber Optic Fused 2x2 Coupler1

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2021

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“…The reflected light modulations corresponds to vibration is recoupled into the same fiber (port1) and is directed to be incident on the PD2 through port3. In order to avoid the effect of power fluctuations in light source and bending losses in optical fiber, a reliable method of the rational output (RO) of PD1 and PD2 is taken into consideration and is expressed as [38][39][40].…”

Section: Fiber Optic Fused 2x2 Couplermentioning

confidence: 99%

Fiber Optic Vibration Sensors

Kishore¹,

Dinakar²,

Padmavathi³

2021

Optoelectronics

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The sensors presented in this chapter are fiber optic intensity modulated vibrations sensors which are non-contact (extrinsic sensor) to the vibrating object. Three sensors presented make use of non-contact vibration measurement method with plastic fiber using distinct designs, improvement of the sensor response and advantages of one sensor over the other for diverse applications. First discussed about dual plastic optical fiber vibration sensor design and its response. Secondly, discussed about 1x2 fused coupler plastic optical fiber vibration sensor design with advantages over the first one. Finally, discussed about the 2x2 fused coupler plastic optical fiber vibration sensor design along with advantages than other two methods. At the end reported the final results with comparison.

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Section: Fiber Optic Fused 2x2 Couplermentioning

confidence: 99%