Temperature dependence of a macrobending edge filter based on a high-bend loss fiber

Wang, Pengfei; Rajan, Ginu; Semenova, Yuliya; Farrell, Gerald

doi:10.1364/ol.33.002470

Cited by 20 publications

(14 citation statements)

References 13 publications

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“…This result shows that the sensor has a rather strong temperature dependence. This temperature-dependent resonance peak shift is expected and it has been discussed in previous published work [10,11]. However, since the peak shift monotonically decreases with the temperature, it is possible to apply a correction factor to mitigate the temperature-induced errors.…”

Section: Temperature-induced Variations In the Displacement Sensing Ssupporting

confidence: 64%

A simple ultrasensitive displacement sensor based on a high bend loss single-mode fibre and a ratiometric measurement system

Wang

Brambilla

Semenova

et al. 2011

J. Opt.

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An all-fibre displacement sensor with a simple configuration and capable of monitoring sub-50 nm displacements is proposed and investigated experimentally. The proposed fibre displacement sensor consists of a half-loop structure of bare high bend loss single-mode fibre 1060XP and a ratiometric power interrogation system. By measuring the change in transmission ratio in the ratiometric system, a change in displacement can be measured. The displacement sensor is sensitive to temperature and an experimental investigation of this sensitivity is presented. It is found that the peak shift response has a linear variation with temperature; therefore, temperature dependence can be mitigated by a suitable displacement correction process. The proposed macrobending fibre based displacement sensor benefits from simplicity and low cost and achieves a comparable resolution as compared with other conventional fibre optic sensors.

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Section: Temperature-induced Variations In the Displacement Sensing Ssupporting

confidence: 64%

A simple ultrasensitive displacement sensor based on a high bend loss single-mode fibre and a ratiometric measurement system

Wang

Brambilla

Semenova

et al. 2011

J. Opt.

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“…For the silica core and cladding the thermally induced effective change in refractive index is linear in nature, resulting in a linear variation of bend loss with temperature. Furthermore, there is a monotonic increase in bend loss with a decrease in the bend radius and with an increase in the wavelength [11].…”

Section: Introductionmentioning

confidence: 91%

“…5(a) it can be seen that the ratio increases with wavelength monotonically. This indicates that at higher wavelengths, the bend loss is higher and since the temperature dependent loss of the bent fibre is proportional to the bend loss [11], the temperature sensitivity of the sensor will be higher at longer wavelengths. To underpin the ease of fabrication and to show the repeatability of the response of the sensor, a comparison of the ratio response of the sensor versus wavelength and temperature, before and after packaging is also presented in Fig.…”

Section: Temperature Response and Resolution Of The Packaged Sensormentioning

confidence: 99%

“…The absorption layer should be chosen to absorb light at the wavelength of operation, suppressing the WG modes inherent in a bent single-mode fibre and reducing the reflections back from the air-cladding boundary. By eliminating the WG modes, the bend loss variation with temperature at a fixed wavelength and loop bend radius depends only on the thermo-optic coefficients of the cladding and core [11].…”

Section: Introductionmentioning

confidence: 99%

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Experimental analysis and demonstration of a low cost fibre optic temperature sensor system for engineering applications

Rajan

Semenova

Mathew

et al. 2010

Sensors and Actuators A: Physical

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“…One of the main factors introducing inaccuracies in RI measurements is ambient temperature variation. It has been shown previously that temperature has a significant influence on the bending loss of macrobending fibers [9][10][11]. If a macrobend fiber refractometer is interrogated using a ratiometric intensity measurement system, then, normally, the ratiometric system is calibrated and the ratio response is obtained at a fixed temperature.…”

Section: Introductionmentioning

confidence: 99%

Temperature performance of a macrobending single-mode fiber-based refractometer

Wang

Semenova

et al. 2010

Appl. Opt.

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We present, theoretically and experimentally, an investigation of temperature dependence of a macrobending single-mode fiber-based refractometer utilizing a ratiometric scheme. The conventional scalar approximation method is utilized for predicting the temperature dependent loss of the proposed fiber refractometer. An all-fiber ratiometric measurement system is built to allow the comparison of modeled and measured results. Calculated and measured results for an SMF28 refractometer are in good agreement and confirm the effect of temperature on refractive index measurements. Both calculated and measured ratio responses monotonically change with temperature, which allows for a temperature correction process.

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Temperature dependence of a macrobending edge filter based on a high-bend loss fiber

Cited by 20 publications

References 13 publications

A simple ultrasensitive displacement sensor based on a high bend loss single-mode fibre and a ratiometric measurement system

A simple ultrasensitive displacement sensor based on a high bend loss single-mode fibre and a ratiometric measurement system

Experimental analysis and demonstration of a low cost fibre optic temperature sensor system for engineering applications

Temperature performance of a macrobending single-mode fiber-based refractometer

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