The two-photon absorption spectrum of ruby and its role in distributed optical fibre sensing

Dalzell, C. J. and Han, T. P. J. and Ruddock, I. S. (2011) The two-photon absorption spectrum of ruby and its role in distributed optical fibre sensing. Applied Physics B: Lasers and Optics, 103 (1). pp. 113-116. ISSN 0946-2171

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Abstract

The two-photon absorption spectrum and cross-section (δ) for ruby (Cr3+:sapphire) have been measured over the 0.8–1.2 μm wavelength range at 25°C. Absolute values of δ were obtained by comparing the fluorescence yield for two-photon excitation with that for single-photon excitation of the same ionic transition under identical illumination conditions. The maximum values of δ are 4.6×10−3 GM for o-polarisation and 5.9×10−3 GM for e-polarisation at 840 nm. The relevance of these measurements to distributed optical fibre sensing is briefly discussed.

ORCID iDs

Dalzell, C. J., Han, T. P. J. ORCID logoORCID: https://orcid.org/0000-0002-2303-6861 and Ruddock, I. S.;
  • Item type:Article
    ID code:31036
    Dates:
    Date
    Event
    April 2011
    Published
    Keywords:single crystal fiber, fluorescence , temperature, dependences, growth, laser, Optics. Light, Physics and Astronomy(all), Physics and Astronomy (miscellaneous)
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:13 May 2011 15:37
    Last modified:20 Jan 2021 19:19
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/31036
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