High sensitivity fiber temperature sensor based PDMS film on Mach-Zehnder interferometer

Gong, Jiaqi; Shen, Changyu; Xiao, Yike; Liu, Shuyi; Zhang, Chong; Ding, Zeyi; Deng, Huitong; Fang, Jiahao; Lang, Tingting; Chen, Zhao; Chen, Yi

doi:10.1016/j.yofte.2019.102029

Cited by 44 publications

(20 citation statements)

References 15 publications

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“…In last decade, several fiber optic sensors have been realized and reported for temperature sensing. These interferometers include Fiber Brag Grating (FBG) [1][2][3][4], Long-Period Fiber Grating (LPFG) [5][6][7][8], Mode field interferometers [9,10], Mach-Zehnder Interferometers (MZI) [11][12][13][14][15][16], Michelson Interferometers (MI) [17,18], Fabry-Perot Interferometers (FPI) [19][20][21][22][23], Hybrid Interferometers (MZI and FPI) [12,14,24], Interferometer composed of Silicon-on-Insulators (SOI) [25], and Surface Plasma Resonance (SPR) [26]. In these configurations, mostly silica is used as a sensing element for temperature measurement.…”

Section: Introductionmentioning

confidence: 99%

“…These limitations halt the usage of such interferometer in practical applications. Several conventional optical fiber sensors have been reported that are constituted by coating thermos-sensitive materials [10,11,19,29], i.e., graphene [29], metals [15], polymers [4,29], etc. However, these structures are composed of Hollow Core Fiber (HCF) used for the design of high sensitivity devices [21].…”

Section: Introductionmentioning

confidence: 99%

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Highly Sensitive Polymer Based Fabry-Perot Interferometer for Temperature Sensing

Abbas¹,

Mumtaz²,

Dai³

et al. 2021

PIER Letters

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A highly sensitive temperature sensor based on a polymer cavity of a Fabry-Perot interferometer (FPI) is experimentally demonstrated. The interferometer gives ease in fabrication, and it can be formed by the induction of a thermos-sensitive polymer layer in between two single mode fibers (SMFs). The polymer is used as an FPI cavity for temperature sensing. Due to high thermal expansion coefficient (TEC) and thermos-optic coefficient (TOC) of polymer make the interferometer highly sensitive to ambient temperature. The maximum temperature sensitivity of 2.2209 nm/ • C for the polymer FPI cavity of 40.61 µm in the ambient temperature range of 28 • C to 34 • C is obtained. The proposed sensor shows the advantages of high sensitivity, compactness, simple fabrication, and low cost. Thus, it may become a part of various practical applications in the field of environmental science and engineering sciences.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Highly Sensitive Polymer Based Fabry-Perot Interferometer for Temperature Sensing

Abbas¹,

Mumtaz²,

Dai³

et al. 2021

PIER Letters

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show abstract

“…SMF2 and SMF3 also adopted core-offset fusion. SMF3 moved upward by 4 to 5 μm along the x axis direction of SMF2 [ 18 ].…”

Section: Experimental Methods and Principlementioning

confidence: 99%

“…SMF2 and SMF3 also adopted core-offset fusion. SMF3 moved upward by 4 to 5 μm along the x axis direction of SMF2 [18]. In the paper, a developed core-offset fusion SMF structure was used for the advantages of low cost and easy operation.…”

Section: Sensor Fabrication and Principlementioning

confidence: 99%

Optical Fiber Based Mach-Zehnder Interferometer for APES Detection

Deng

Chen

Huang

et al. 2021

Sensors

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A 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion single mode fiber (SMF) structure with a length of 3.0 cm. As APES gradually attaches to the MZI, the external environment of the MZI changes, which in turn causes change in the MZI’s interference. That is the reason why we can obtain the relationships between the APES amount and resonance dip wavelength by measuring the transmission variations of the resonant dip wavelength of the MZI. The optimized amount of 1% APES for 3.0 cm MZI biosensors was 3 mL, whereas the optimized amount of 2% APES was 1.5 mL.

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“…In recent years, all-fiber sensors have attracted everyone's attention in daily life due to their compact structure, small size, light weight, high sensitivity, immunity to electromagnetic interference, low cost, and so on. At the same time, they have been widely used in various sensing fields, including temperature, [1][2][3] refractive index, 4,5 pressure, 6,7 humidity, 8,9 and strain. 10,11 Many fiber structures have been proposed and used in the sensing field.…”

Section: Introductionmentioning

confidence: 99%

Optical fiber temperature sensor with insensitive refractive index and strain based on phase demodulation

Nan

Liu

et al. 2020

Micro & Optical Tech Letters

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We propose and experimentally demonstrate a temperature sensor based on a suspended-core microstructure optical fiber (SCMF). The sensor is constructed by fusion splicing a piece of SCMF between two up-tapers which act as light beam couplers. The Mach-Zehnder interference (MZI) is formed by the silica core modes and the air cladding modes in the SCMF. The sensitivity of −0.011 rad/ C in the temperature range of 20 C to 90 C is achieved, which is more accurate and stable than conventional wavelength tracking method due to the phase demodulation method can avoid the effects of spectral noise, dip selection, and wavelength sampling rate on the wavelength tracking. In addition, our proposed sensor is inert to external environments such as strain and refractive index, which can well solve the problem of crosstalk during temperature sensing.

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High sensitivity fiber temperature sensor based PDMS film on Mach-Zehnder interferometer

Cited by 44 publications

References 15 publications

Highly Sensitive Polymer Based Fabry-Perot Interferometer for Temperature Sensing

Highly Sensitive Polymer Based Fabry-Perot Interferometer for Temperature Sensing

Optical Fiber Based Mach-Zehnder Interferometer for APES Detection

Optical fiber temperature sensor with insensitive refractive index and strain based on phase demodulation

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