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

E. Esposito, J. Harris, D. Burns, G. McConnell

Research output: Contribution to journalArticle

5 Citations (Scopus)

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.
LanguageEnglish
Pages2609-2615
Number of pages6
JournalMeasurement Science and Technology
Volume18
Issue number8
DOIs
Publication statusPublished - 2007

Fingerprint

Supercontinuum
Photonic crystal fibers
Laser Scanning
Confocal
Photonic Crystal
light beams
Microscope
Microscopes
microscopes
Fiber
photonics
Scanning
scanning
fibers
Lasers
visible spectrum
crystals
lasers
unity
light sources

Keywords

  • supercontinuum
  • characterization
  • nonlinear optics
  • confocal
  • wavelength

Cite this

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Measurement of white-light supercontinuum beam properties from a photonic crystal fibre using a laser scanning confocal microscope. / Esposito, E.; Harris, J.; Burns, D.; McConnell, G.

In: Measurement Science and Technology, Vol. 18, No. 8, 2007, p. 2609-2615.

Research output: Contribution to journalArticle

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AU - Harris, J.

AU - Burns, D.

AU - McConnell, G.

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AB - 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.

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KW - nonlinear optics

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