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

C. J. Dalzell, T. P. J. Han, I. S. Ruddock

Research output: Contribution to journalArticle

4 Citations (Scopus)

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.

LanguageEnglish
Pages113-116
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume103
Issue number1
DOIs
Publication statusPublished - Apr 2011

Fingerprint

ruby
optical fibers
absorption spectra
photons
polarization
excitation
sapphire
illumination
fluorescence
cross sections
wavelengths

Keywords

  • single crystal fiber
  • fluorescence
  • temperature
  • dependences
  • growth
  • laser

Cite this

Dalzell, C. J. ; Han, T. P. J. ; Ruddock, I. S. / The two-photon absorption spectrum of ruby and its role in distributed optical fibre sensing. In: Applied Physics B: Lasers and Optics. 2011 ; Vol. 103, No. 1. pp. 113-116.
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The two-photon absorption spectrum of ruby and its role in distributed optical fibre sensing. / Dalzell, C. J.; Han, T. P. J.; Ruddock, I. S.

In: Applied Physics B: Lasers and Optics, Vol. 103, No. 1, 04.2011, p. 113-116.

Research output: Contribution to journalArticle

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