Time-resolved measurement shows a spectral distribution shift in an intense pulsed light system

Ewan Eadie, Paul Miller, Teresa Goodman, Harry Moseley

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    For an intense pulsed light (IPL) device, knowledge of the spectral output is useful in order to provide effective treatment and target specific structures in the skin. It is also a requirement in order to perform a safety assessment. A novel spectral measurement system has been developed to detect the optical radiation output of intense pulsed light devices. The system has a time resolution of 450 mus and a wavelength resolution of 0.6 nm. This enabled us to observe spectral changes, both within a pulse and between pulses, in a pulse train. The output from a free discharge IPL source and four different treatment handpieces was measured. A shift in the spectral distribution between pulses, and within a pulse, was discovered. The spectral shift is more prominent for higher radiant exposures.
    Original languageEnglish
    Pages (from-to)35-43
    Number of pages9
    JournalLasers in Medical Science
    Volume24
    Issue number1
    DOIs
    Publication statusPublished - 2009

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    Light
    Equipment and Supplies
    Radiation
    Safety
    Skin

    Keywords

    • Optics and Photonics
    • Phototherapy
    • Spectrum Analysis

    Cite this

    Eadie, Ewan ; Miller, Paul ; Goodman, Teresa ; Moseley, Harry. / Time-resolved measurement shows a spectral distribution shift in an intense pulsed light system. In: Lasers in Medical Science. 2009 ; Vol. 24, No. 1. pp. 35-43.
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    abstract = "For an intense pulsed light (IPL) device, knowledge of the spectral output is useful in order to provide effective treatment and target specific structures in the skin. It is also a requirement in order to perform a safety assessment. A novel spectral measurement system has been developed to detect the optical radiation output of intense pulsed light devices. The system has a time resolution of 450 mus and a wavelength resolution of 0.6 nm. This enabled us to observe spectral changes, both within a pulse and between pulses, in a pulse train. The output from a free discharge IPL source and four different treatment handpieces was measured. A shift in the spectral distribution between pulses, and within a pulse, was discovered. The spectral shift is more prominent for higher radiant exposures.",
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    Time-resolved measurement shows a spectral distribution shift in an intense pulsed light system. / Eadie, Ewan; Miller, Paul; Goodman, Teresa; Moseley, Harry.

    In: Lasers in Medical Science, Vol. 24, No. 1, 2009, p. 35-43.

    Research output: Contribution to journalArticle

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    AU - Eadie, Ewan

    AU - Miller, Paul

    AU - Goodman, Teresa

    AU - Moseley, Harry

    PY - 2009

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    AB - For an intense pulsed light (IPL) device, knowledge of the spectral output is useful in order to provide effective treatment and target specific structures in the skin. It is also a requirement in order to perform a safety assessment. A novel spectral measurement system has been developed to detect the optical radiation output of intense pulsed light devices. The system has a time resolution of 450 mus and a wavelength resolution of 0.6 nm. This enabled us to observe spectral changes, both within a pulse and between pulses, in a pulse train. The output from a free discharge IPL source and four different treatment handpieces was measured. A shift in the spectral distribution between pulses, and within a pulse, was discovered. The spectral shift is more prominent for higher radiant exposures.

    KW - Optics and Photonics

    KW - Phototherapy

    KW - Spectrum Analysis

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