An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements

Xiangqian Jiang; Graeme Maxwell; Shuming Yang; Kaiwei Wang

doi:10.1016/j.optcom.2007.10.067

An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements

Xiangqian Jiang, Graeme Maxwell, Shuming Yang, Kaiwei Wang

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

In this paper, an integrated optical (IO) coupler produced using the technique of silica-on-silicon was described. A fibre interferometry system using the IO coupler was then developed and its performance was tested. The environmental noise and disturbances in this system were reduced significantly after combining a reference interferometer and an all fibre polarisation scrambler so as to produce good stability and repeatability. Furthermore, the measurement mirror was mounted on a piezoelectric transducer (PZT) and disturbances were introduced in the system in order to simulate on-line surface measurements. Both a commercial fibre and the IO couplers were compared using this method. Better experimental results were achieved when the system using the IO coupler than using the fibre one.

Original language	English
Pages (from-to)	1099-1107
Number of pages	9
Journal	Optics Communications
Volume	281
Issue number	5
DOIs	https://doi.org/10.1016/j.optcom.2007.10.067
Publication status	Published - 1 Mar 2008

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title = "An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements",

abstract = "In this paper, an integrated optical (IO) coupler produced using the technique of silica-on-silicon was described. A fibre interferometry system using the IO coupler was then developed and its performance was tested. The environmental noise and disturbances in this system were reduced significantly after combining a reference interferometer and an all fibre polarisation scrambler so as to produce good stability and repeatability. Furthermore, the measurement mirror was mounted on a piezoelectric transducer (PZT) and disturbances were introduced in the system in order to simulate on-line surface measurements. Both a commercial fibre and the IO couplers were compared using this method. Better experimental results were achieved when the system using the IO coupler than using the fibre one.",

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AU - Jiang, Xiangqian

AU - Maxwell, Graeme

AU - Yang, Shuming

AU - Wang, Kaiwei

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AB - In this paper, an integrated optical (IO) coupler produced using the technique of silica-on-silicon was described. A fibre interferometry system using the IO coupler was then developed and its performance was tested. The environmental noise and disturbances in this system were reduced significantly after combining a reference interferometer and an all fibre polarisation scrambler so as to produce good stability and repeatability. Furthermore, the measurement mirror was mounted on a piezoelectric transducer (PZT) and disturbances were introduced in the system in order to simulate on-line surface measurements. Both a commercial fibre and the IO couplers were compared using this method. Better experimental results were achieved when the system using the IO coupler than using the fibre one.

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An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements

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