Optical properties of thin TiO2 film deposited on the fiber optic sensor head - Publikacja - MOST Wiedzy

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Optical properties of thin TiO2 film deposited on the fiber optic sensor head

Abstrakt

The presented study was focused on investigation of the titanium dioxide (TiO2) thin film deposited on the fiber tip. The intention of this investigation was using TiO2 film in the construction of the optical fiber sensor head. In the demonstrated construction TiO2 thin layer was deposited on the tip of a commonly used telecommunication single mode optical fiber (SMF-28) by means of the Atomic Layer Deposition (ALD). Thickness of the fabricated film was 80 nm. The characterization of the optical properties focuses on the most significant factors for the application in the interferometric sensing devices, namely - spectral reflectance function and its thermal dependence. The measurements were performed using two broadband sources with central wavelengths of 1300 nm and 1550 nm. The examination of the sensitivity of reflectance spectra to the temperature changes were conducted for temperatures in the range from 25°C up to 150°C. Obtained results have showed that the investigated layer exhibited reflectance value 0.174 and 0.061 at 1300 nm and 1550 nm respectively. Moreover, while the variation of the measured signal intensity induced by temperature change is noticeable, no significant spectral shift is observed in the reflection function. Therefore the examined structure presents interesting choice for the use in the interferometric fiber optic sensors.

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Kategoria:
Aktywność konferencyjna
Typ:
materiały konferencyjne indeksowane w Web of Science
Tytuł wydania:
Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017 strony 1 - 7
ISSN:
0277-786X
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Hirsch M..: Optical properties of thin TiO2 film deposited on the fiber optic sensor head, W: Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017, 2017, ,.
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1117/12.2280838
Weryfikacja:
Politechnika Gdańska

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