The use of thin diamond films in fiber-optic low-coherence interferometers

In this paper we present the use of thin diamond films in fiber-optic low-coherence interferometers. Two kinds of diamond surfaces were used: undoped diamond film and boron- doped diamond film. They were deposited on glass plates as well as silicon layers. A conventionally used mirror was used as a...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-01, Vol.104 (1), p.12023-12027
Main Authors: Milewska, D., Karpienko, K.
Format: Article
Language:English
Subjects:
Chemical vapor deposition
Diamond films
Fabry-Perot interferometers
Fiber optics
Glass plates
Interferometers
Light sources
Low coherence interferometry
Materials science
Microwave plasmas
Optical fibers
Plasma enhanced chemical vapor deposition
Superluminescent diodes
Thin films
Wavelengths
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Summary:In this paper we present the use of thin diamond films in fiber-optic low-coherence interferometers. Two kinds of diamond surfaces were used: undoped diamond film and boron- doped diamond film. They were deposited on glass plates as well as silicon layers. A conventionally used mirror was used as a reference layer. Diamond films were deposited using Microwave Plasma Enhanced Chemical Vapour Deposition (μPE CVD) system. Measurements were performed using two superluminescent diodes (SLD) with wavelengths of 1300 mm and 1550 mm. The optimal conditions for each layers were examined: the required wavelength of the light source and the length of Fabry-Perot interferometer cavity. Metrological parameters of Fabry-Perot interferometer with different mirrors were compared. The presented thin diamond films may be an interesting alternative to the commonly used reflective surfaces.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/104/1/012023