Temat: temperature sensor - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Numerical analysis of dual-core photonic crystal fiber based temperature and pressure sensor for oceanic applications
Autorzy:: Jegadeesan, Subramani
Dhamodaran, Muneeswaran
Sri Shanmugapriya, Swaminathan
Powiązania:: https://bibliotekanauki.pl/articles/175134.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: dual core
photonic crystal fiber
birefringence
temperature sensor
pressure sensor
finite element method
Opis:: In this paper, a microstructured optical fiber with dual core was proposed which is known as photonic crystal fiber. Specific optical properties of a dual-core photonic crystal fiber were used to obtain high birefringence, small beat length, flattened dispersion, for different values of structural parameters varied over a wide range of wavelength and analyzed for application such as temperature and pressure sensors. The sensitivity of the temperature sensor is calculated as 20 pm/°C for 6 cm fiber, the sensitivity of the pressure sensor for a range from 0 to 1000 kPa is calculated as –10.5 nm/MPa.
Źródło:: Optica Applicata; 2019, 49, 2; 249-264
0078-5466
1899-7015
Pojawia się w:: Optica Applicata
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Phase response of polarization-maintaining optical fiber to temperature changes
Autorzy:: Kyselak, M.
Dvorak, F.
Maschke, J.
Vlcek, C.
Powiązania:: https://bibliotekanauki.pl/articles/173787.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: fiber sensor
polarization maintaining
optical fiber
observable Poincare sphere
birefringence
temperature field disturbance
Opis:: This paper deals with the phase shift development in the polarization-maintaining fiber owing to different temperatures of an applied defined body, where both polarization axes are excited. A variation of the Stokes parameters induced by the phase shift is expressed by the Jones matrix and a depiction on the observable Poincaré sphere. The temperature response of polarization-maintaining fiber and the effects of heat transfer on the phase shift variation of polarization-maintaining fiber were described theoretically. The time dependence of the phase shift development and its direction of rotation on the observable Poincaré sphere was measured and presented graphically. In addition, different response measures for higher and lower temperatures compared with the ambient temperature were experimentally evaluated.
Źródło:: Optica Applicata; 2017, 47, 4; 635-649
0078-5466
1899-7015
Pojawia się w:: Optica Applicata
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Sensitivity and dynamic phase response to thermal radiation of a polarization-maintaining fiber
Autorzy:: Kyselak, M.
Dvorak, F.
Maschke, J.
Vlcek, C.
Powiązania:: https://bibliotekanauki.pl/articles/173541.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: fiber sensor
polarization-maintaining fiber
PMF
optical fiber
birefringence
temperature field disturbance
approximation equations
approximation parameters
Opis:: This paper deals with the phase shift development between two polarization modes in birefringent fiber, caused by body heat transfer of different temperatures. The aim is to analyze sensitivity and dynamic behaviors, which are significant when optical fiber is used as a sensor of temperature field disturbance. The analysis is based on the values measured during thermal exposure of a section of type PANDA birefringent optical fiber to heat emitted by an exposure body of chosen temperature, placed at a defined distance. The effect of heat transfer through conduction and convection is suppressed by shielding with plastic wraps. The analyzed results, the Stokes parameters and subsequent phase shift, are measured by the polarimeter. The paper follows up on previously published measurement results.
Źródło:: Optica Applicata; 2018, 48, 2; 249-261
0078-5466
1899-7015
Pojawia się w:: Optica Applicata
Dostawca treści:: Biblioteka Nauki

Artykuł

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