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Proceedings Paper

Neodymium and ytterbium-erbium laser based on photo-thermo-refractive glass
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Paper Abstract

In this work spectroscopic and laser characteristic of photo-thermo-refractive (PTR) glasses doped with different concentrations of rare-earth ions (ytterbium-erbium and Neodymium) were comprehensively carried out. Spectroscopic parameters were obtained using some theoretical techniques like Judd-Ofelt theory and Fuchtbauer-Landenburg (F-L) theory. Results show that the optimal concentration of neodymium oxide in PTR is 0.5 mol%, at which the glass demonstrates the best spectral characteristics. It was found that PTR glass doped with 0.1 mol% of erbium oxide and codoped with 2 mol% of ytterbium oxide also shows good spectral-luminescent properties. Laser action on those two samples was demonstrated. optical losses were found to be 0.34 % for neodymium- doped PTR active element and 0.28 % in the case of erbium and ytterbium co-doped active element. These values are quite low and compared to that obtained in commercial laser glasses. It was concluded that the rare-earth ions doped PTR glass isIn this work spectroscopic and laser characteristic of photo-thermo-refractive (PTR) glasses doped with different concentrations of rare-earth ions (ytterbium-erbium and Neodymium) were comprehensively carried out. Spectroscopic parameters were obtained using some theoretical techniques like Judd-Ofelt theory and Fuchtbauer-Landenburg (F-L) theory. Results show that the optimal concentration of neodymium oxide in PTR is 0.5 mol%, at which the glass demonstrates the best spectral characteristics. It was found that PTR glass doped with 0.1 mol% of erbium oxide and codoped with 2 mol% of ytterbium oxide also shows good spectral-luminescent properties. Laser action on those two samples was demonstrated. optical losses were found to be 0.34 % for neodymium- doped PTR active element and 0.28 % in the case of erbium and ytterbium co-doped active element. These values are quite low and compared to that obtained in commercial laser glasses. It was concluded that the rare-earth ions doped PTR glass is a promising material that can be a good candidate for producing the DFB lasers. a promising material that can be a good candidate for producing the DFB lasers.

Paper Details

Date Published: 10 April 2020
PDF: 8 pages
Proc. SPIE 11357, Fiber Lasers and Glass Photonics: Materials through Applications II, 113570I (10 April 2020); doi: 10.1117/12.2555783
Show Author Affiliations
Vladimir Aseev, ITMO Univ. (Russian Federation)
Khaldoon Nasser, ITMO Univ. (Russian Federation)
Sergey Ivanov, ITMO Univ. (Russian Federation)
Nikolay Nikonorov, ITMO Univ. (Russian Federation)
Alexander Ignatiev, ITMO Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11357:
Fiber Lasers and Glass Photonics: Materials through Applications II
Maurizio Ferrari; Jacob I. Mackenzie; Stefano Taccheo, Editor(s)

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