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Magnetic-Based Polydimethylsiloxane Cap for Simultaneous Measurement of Magnetic Field and Temperature

In this paper, a cascaded Fabry-Perot (FP) cavity interferometer for detection of small magnetic field and temperature is proposed. Ferromagnetic material (e.g., Mn 3 O 4 nanocrystals), which is filled into polydimethylsiloxane (Mn 3 O 4 -PDMS), serves as a cavity cap and comprises of the main section of the cascaded FP interferometer. When applied the strength of the external field, magnetic forces acting on its surface and causing a variation in the cavity length thus modulates the interference spectra. Experimental results show that the proposed sensor can provide a maximum linear sensitivity of 563.2 pm/mT within a linear magnetic field intensity ranging from 0 to 4 mT and a temperature sensitivity of 1160 pm/°C, around the wavelength of 1550 nm. With its compactness, and ease of fabrication, the proposed sensor would find potential applications in the measurement of small magnetic field.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.40 No.8 April 15 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 2625-2630

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

POLYMER
OPTICAL FIBER SENSOR
FABRY-PEROT
MAGNETIC SENSOR
MAGNETIC NANOPARTICLES

Info Detail Spesifik

10.1109/JLT.2021.3136709

Pernyataan Tanggungjawab

Bing Sun, Minghui Bai, Xiaobo Ma, Xinjiang Wang, Zuxing Zhang Lin Zhang

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