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Application of thin diamond films in low-coherence fiber-optic Fabry Pérot displacement sensor

Abstract

The novel fiber-optic low coherence sensor with thin diamond films is demonstrated. The undoped and boron-doped diamond films were elaborated by the use of the microwave plasma enhanced chemical vapor deposition (μPE CVD) system. The optical signal from the Fabry–Pérot cavity made with the application of those thin films is sensitive to displacement. The sensor characterization was made in the range of 0–600 μm. The measurements were performed using two superluminescent diodes (SLD) with central wavelengths of 1290 mm and 1550 mm and the output signal was analyzed by the measurement of the modulation change of spectral pattern. Furthermore, very good coefficient of the determination R2 > 0.9565 and the visibility of optical measured signal equal to 95.6% were achieved.

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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
DIAMOND AND RELATED MATERIALS no. 64, pages 169 - 176,
ISSN: 0925-9635
Language:
English
Publication year:
2016
Bibliographic description:
Majchrowicz D., Karpienko K., Jędrzejewska-Szczerska M.: Application of thin diamond films in low-coherence fiber-optic Fabry Pérot displacement sensor// DIAMOND AND RELATED MATERIALS. -Vol. 64, (2016), s.169-176
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.diamond.2016.02.015
Verified by:
Gdańsk University of Technology

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