Doppler difference velocimetry using a 2-core photonic crystal fibre

W. N. MacPherson; J. D C Jones; B. J. Mangan; J. C. Knight; P. St J Russell

doi:10.1109/OFS.2002.1012108

Doppler difference velocimetry using a 2-core photonic crystal fibre

W. N. MacPherson, J. D C Jones, B. J. Mangan, J. C. Knight, P. St J Russell

Heriot-Watt University

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

2 Citations (SciVal)

Abstract

In this paper we describe the first use of a two core photonic crystal fibre for fringe projection for use in a Doppler difference velocimeter. The two-core fibre, with a core separation of 17 μm, projects a series of fringes when both cores are illuminated with 633 nm light simultaneously. Light scattered from moving particles is coupled into a separate multi-mode (50/125 μm) receiving fibre and detected using a silicon detector and amplifier. The measured reflection intensity signal is processed in the frequency domain to obtain the velocity component of the moving particle.

Original language	English
Title of host publication	2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Publisher	IEEE
Pages	603-606
Number of pages	4
ISBN (Electronic)	0780372891, 9780780372894
DOIs	https://doi.org/10.1109/OFS.2002.1012108
Publication status	Published - 1 Jan 2002
Event	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 - Portland, USA United States Duration: 6 May 2002 → 10 May 2002

Publication series

Name	2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002

Conference

Conference	15th Optical Fiber Sensors Conference Technical Digest, OFS 2002
Country/Territory	USA United States
City	Portland
Period	6/05/02 → 10/05/02

Funding

W MacPherson acknowledges the. EPSRC for funding this work as part of the Advanzed Fellowship scheme.

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1109/OFS.2002.1012108

Cite this

MacPherson, W. N., Jones, J. D. C., Mangan, B. J., Knight, J. C., & Russell, P. S. J. (2002). Doppler difference velocimetry using a 2-core photonic crystal fibre. In 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002 (pp. 603-606). Article 1012108 (2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002). IEEE. https://doi.org/10.1109/OFS.2002.1012108

Doppler difference velocimetry using a 2-core photonic crystal fibre. / MacPherson, W. N.; Jones, J. D C; Mangan, B. J. et al.
2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002. IEEE, 2002. p. 603-606 1012108 (2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002).

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

MacPherson, WN, Jones, JDC, Mangan, BJ, Knight, JC & Russell, PSJ 2002, Doppler difference velocimetry using a 2-core photonic crystal fibre. in 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002., 1012108, 2002 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002, IEEE, pp. 603-606, 15th Optical Fiber Sensors Conference Technical Digest, OFS 2002, Portland, USA United States, 6/05/02. https://doi.org/10.1109/OFS.2002.1012108

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abstract = "In this paper we describe the first use of a two core photonic crystal fibre for fringe projection for use in a Doppler difference velocimeter. The two-core fibre, with a core separation of 17 μm, projects a series of fringes when both cores are illuminated with 633 nm light simultaneously. Light scattered from moving particles is coupled into a separate multi-mode (50/125 μm) receiving fibre and detected using a silicon detector and amplifier. The measured reflection intensity signal is processed in the frequency domain to obtain the velocity component of the moving particle.",

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AB - In this paper we describe the first use of a two core photonic crystal fibre for fringe projection for use in a Doppler difference velocimeter. The two-core fibre, with a core separation of 17 μm, projects a series of fringes when both cores are illuminated with 633 nm light simultaneously. Light scattered from moving particles is coupled into a separate multi-mode (50/125 μm) receiving fibre and detected using a silicon detector and amplifier. The measured reflection intensity signal is processed in the frequency domain to obtain the velocity component of the moving particle.

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Doppler difference velocimetry using a 2-core photonic crystal fibre

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