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World class computing and information science research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Measurement of white-light supercontinuum beam properties from a photonic crystal fibre using a laser scanning confocal microscope

Esposito, E. and Harris, J. and Burns, D. and McConnell, G. (2007) Measurement of white-light supercontinuum beam properties from a photonic crystal fibre using a laser scanning confocal microscope. Measurement Science and Technology, 18 (8). pp. 2609-2615. ISSN 0957-0233

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Abstract

We report a new non-destructive method for high-resolution measurement and analysis of white-light supercontinuum source emission properties. We investigate propagation behaviour at multiple wavelengths simultaneously using confocal laser scanning microscopy. This will include an overview of the experimental geometry used and analysis methods employed for the measurement of the M2 value at different spectral regions and an accurate beam waist of the white-light supercontinuum-based source. With this configuration, we observed that the white-light supercontinuum output of the PCF possessed M 2 values close to the absolute limit of unity across the visible spectrum, thus confirming diffraction-limited performance.