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Tailoring the optical parameters of optical fiber interferometer with dedicated boron-doped nanocrystalline diamond thin film
Abstract
Optical fiber interferometer using nanocrystalline boron-doped diamond film was investigated. The diamond films were deposited on glass plates using a Microwave Plasma-Enhanced Chemical Vapour Deposition (μPE CVD) sys-tem. The growth time was 3h, with boron doping level of 10 000 ppm producing films (B-NCD-10) of thickness ~ 200 nm. The presence of boron atoms in the diamond film is evident in Raman spectrum as peaks at 1212 cm-1 and 1306 cm-1. The scanning electron microscopy (SEM) im-ages showed homogenous and continuous surface mor-phology, thus enabling the use of the diamond film as a re-flective layer in fiber optic devices. Optical fiber interfero-metric sensor in Fabry-Pérot configuration with a diamond reflective layer as a mirror was designed and built. Meas-urements were performed using two superluminescent di-odes with central wavelengths of 1300 μm and 1550 μm. Detection of the measured signal was achieved using an optical spectrum analyzer. All devices were connected with commercially available, single-mode telecommunications fibers and coupler. Using B-NCD-10 films in fiber optic interferometer we obtained very high value of measured signal contrast equal to 0.99. The use of B-NCD-10 film as a reflective surface allows the Fabry-Pérot cavity length to be reduced while achieving very good signal visibility. Consequently, the volume of the sample in the cavity can be reduced, compared with that than those for traditional mirrors.
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Authors (4)
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Przemysław Struk dr inż
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1002/pssa.201700222
- License
- Copyright (2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
no. 214,
edition 11,
pages 1 - 7,
ISSN: 1862-6300 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Majchrowicz D., Kosowska M., Struk P., Jędrzejewska-Szczerska M.: Tailoring the optical parameters of optical fiber interferometer with dedicated boron-doped nanocrystalline diamond thin film// PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE. -Vol. 214, iss. 11 (2017), s.1-7
- DOI:
- Digital Object Identifier (open in new tab) 10.1002/pssa.201700222
- Verified by:
- Gdańsk University of Technology
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