Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire

Simpson, Niall and Lee, Martin and Kemp, Alan J. (2024) Wavelength and polarisation dependence of pump-induced loss in Ti:sapphire. Optical Materials Express, 14 (5). pp. 1370-1389. ISSN 2159-3930 (https://doi.org/10.1364/OME.511506)

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Abstract

We use pump beam wavelength and polarisation to demonstrate that the phenomenon of pump-induced loss in Ti:sapphire is linked to simultaneous excitation of two separate absorption bands: the Ti3+ pump band and the parasitic 400 nm residual absorption. We find that the degree of pump-induced loss is linked to the relative absorption strengths of the residual absorption band and the Ti3+ pump band at the wavelength(s) of excitation.

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• Item metadata

  Item type:	Article
  ID code:	88959
  Dates:	Date Event 1 May 2024 Published 24 April 2024 Published Online 29 March 2024 Accepted
  Subjects:	Science > Physics > Optics. Light
  Department:	Faculty of Science > Physics > Institute of Photonics Faculty of Science > Physics Technology and Innovation Centre > Photonics
  Depositing user:	Pure Administrator
  Date deposited:	25 Apr 2024 09:22
  Last modified:	05 May 2024 02:08
  Related URLs:	https://doi.org/10.1364/opticaopen.24619...
  URI:	https://strathprints.strath.ac.uk/id/eprint/88959