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 journalArticle

6 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 languageEnglish
Pages (from-to)1099-1107
Number of pages9
JournalOptics Communications
Volume281
Issue number5
DOIs
Publication statusPublished - 1 Mar 2008

Fingerprint

Surface measurement
Interferometry
couplers
interferometry
fibers
Fibers
disturbances
Piezoelectric transducers
piezoelectric transducers
Silicon
Silicon Dioxide
Interferometers
Mirrors
interferometers
Silica
Polarization
mirrors
silicon dioxide
silicon
polarization

Cite this

Jiang, Xiangqian ; Maxwell, Graeme ; Yang, Shuming ; Wang, Kaiwei. / An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements. In: Optics Communications. 2008 ; Vol. 281, No. 5. pp. 1099-1107.
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An Integrated Optical Coupler Used in a Fibre Interferometry System for On-Line Surface Measurements. / Jiang, Xiangqian; Maxwell, Graeme; Yang, Shuming; Wang, Kaiwei.

In: Optics Communications, Vol. 281, No. 5, 01.03.2008, p. 1099-1107.

Research output: Contribution to journalArticle

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