Optical fiber strain sensor for real-time food deformation measurements in drying

Jafarishad, Hamed; Li, Mucheng; Liu, Yuxiang

doi:10.1364/fio.2021.jw7a.12

Cited by 1 publication

(1 citation statement)

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“…Optical fiber sensors have been used to measure relative humidity based on lossy-mode-resonances [6]. Additionally, the intensity-based mechanism has been employed in optical fiber sensors to measure strain [7]. However, to the best of our knowledge, the interference-based optical fiber strain sensors have never been reported for food sample measurements.…”

Section: Introductionmentioning

confidence: 99%

Optical Fiber Strain Sensor for Foods in Drying

Rossi¹,

Ren²,

Jafarishad³

et al.

Proceedings of the 22nd International Drying Symposium on Drying Technology - IDS '22

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There is a great need to measure food deformation during the drying process. To address this need, we develop and demonstrate an optical fiber strain sensor based on the Fabry-Perot interferometer and an improved sensor based on the intensity dependence of fiber separations. The sensors are powered up and read out through one single optical fiber and are compatible with microwave dryers. The preliminary results show that the improved sensor has a high potential to measure strains on fresh banana slices during drying. Research is underway to optimize the sensor design for food samples and to better understand the sensor performance. The optical fiber strain sensors can be used for real-time monitoring and process control in the food industry.

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Section: Introductionmentioning

confidence: 99%