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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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.
| Creators(s): |
Dalzell, C. J., Han, T. P. J.  ORCID: https://orcid.org/0000-0002-2303-6861 and Ruddock, I. S.;
| Item type: | Article |
|---|---|
| ID code: | 31036 |
| 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 |
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| URI: | https://strathprints.strath.ac.uk/id/eprint/31036 |
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