Optical fiber temperature sensor for microwave hyperthermia

Kalinowski, Hypolito José; Baude, Emir; Polydoro, L. A.; Guzmán, Á.

doi:10.1109/sbmomo.1997.646788

Cited by 3 publications

(4 citation statements)

References 3 publications

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“…This approximated description is sufficient for the conceptual introduction because we use lowreflectivity FBGs in this article [22]. Equation (1) indicates that a Bragg spectrum reflected from an arbitrary location includes the accompanying wave whose frequency is proportional to distance L i . By applying frequency analysis, i.e.…”

Section: Sensing Systemmentioning

confidence: 99%

“…Microwave heating systems are widely used for fields such as hyperthermia [1,2], curing of thermosetting resins of composite materials [3,4], and polymer synthesis [5,6]. In each field, temperature monitoring of target objects is essential because temperature information is used as feedback for control and optimization of the heating process.…”

Section: Introductionmentioning

confidence: 99%

“…One can position the sensor at exact locations where the temperature is of interest, even in an electromagnetic environment. There have been various reports about successful temperature measurements using OFSs in electromagnetic environments [1][2][3][4][6][7][8][9]; however, the use of OFSs are limited as a point sensor. Conventional OFSs detect temperature only at the sensor head.…”

Section: Introductionmentioning

confidence: 99%

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An optical fiber sensing technique for temperature distribution measurements in microwave heating

Wada

Sugiyama

Zushi

et al. 2015

Meas. Sci. Technol.

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We introduce an optical fiber sensing technique that can measure the temperature distributions along a fiber during microwave heating. We used a long-length fiber Bragg grating (FBG) as an electromagnetic-immune sensor and interrogated temperature distributions along the FBG by an optical frequency domain reflectometry. Water in a glass tube with a length of 820 mm was heated in a microwave oven, and its temperature distribution along the glass tube was measured using the sensing system. The temperature distribution was obtained in 5 mm intervals. Infrared radiometry was also used to compare the temperature measurement results. Time and spatial variations of the temperature distribution profiles were monitored for several microwave input powers. The results clearly depict inhomogeneous temperature profiles. The applicability and effectiveness of the optical fiber distributed measurement technique in microwave heating are demonstrated.

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Section: Sensing Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An optical fiber sensing technique for temperature distribution measurements in microwave heating

Wada

Sugiyama

Zushi

et al. 2015

Meas. Sci. Technol.

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show abstract

“…For example, fiber optic sensors can be used even under the harsh electromagnetic field environment of magnetic resonance imaging (MRI) 4 . A fiber optic temperature sensor can be applied for microwave hyperthermia 5 . Fiber optic curvature sensors can be applied to shape and/or force measurement.…”

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confidence: 99%