In-fiber Mach–Zehnder interferometer based on polarization-maintaining fiber for displacement and temperature sensing - Lower Silesian Digital Library

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Title: In-fiber Mach–Zehnder interferometer based on polarization-maintaining fiber for displacement and temperature sensing

Creator:

Cheng, Jun-ni ; Jiang, Xiao-yan

Contributor:

Urbańczyk, Wacław. Redakcja

Description:

Optica Applicata, Vol. 53, 2023, nr 1, s. 21-33 ; Optica Applicata is an international journal, published in a non-periodical form in the years 1971-1973 and quarterly since 1973. From the beginning of the year 2008, Optica Applicata is an Open Access journal available online via the Internet, with free access to the full text of articles serving the best interests of the scientific community. The journal is abstracted and indexed in: Chemical Abstracts, Compendex, Current Contents, Inspec, Referativnyj Zhurnal, SCI Expanded, Scopus, Ulrich’s Periodicals Directory ; click here to follow the link

Abstrakt:

A displacement sensor based on polarization-maintaining fiber has been proposed and proved in experiment. The polarization-maintaining fiber (PMF) is sandwiched with two graded-index multimode fibers (GI MMF), which form the Mach–Zehnder interferometer (MZI) sensor. Graded-index multimode fiber serve as an optical coupler for modes conversion. The results show that with the increase of displacement, the spectrum moves to the long wavelength direction, but when temperature increases, the spectrum has a red shift, which means that the displacement and temperature can be measured separately according to the wavelength drift direction. The sensor consists of 4 mm GI MMF and 14 mm PMF, which can exhibit the displacement sensitivity of –9.275 pm/μm in the range of 0–600 μm. In addition, temperature will also affect the sensitivity of displacement measurement, so the sensitivity of the sensor to temperature is also measured. The results show that the selected monitoring dip provides a better temperature sensitivity of 33.605 pm/℃ in the range of 35–75℃. The sensor is easy to fabricate and does not has any functional coating, which make it become a good candidate in the industrial field.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Date:

Resource Type:

Resource Identifier:

doi:10.37190/oa230102

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

Relation:

Optica Applicata ; Optica Applicata, Vol. 53, 2023 ; Optica Applicata, Vol. 53, 2023, nr 1 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka displacement sensing polarization-maintaining fiber (PMF) graded-index multimode fiber Mach–Zehnder interferometer

Object collections:

Last modified:

Feb 12, 2025

All available object's versions:

https://dbc.wroc.pl./publication/170100

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Optica Applicata

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