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Optical spectra and luminescence kinetics of the Sm3+ and Yb3+ centres in the lithium tetraborate glasses
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Title: Optical spectra and luminescence kinetics of the Sm3+ and Yb3+ centres in the lithium tetraborate glasses

Creator:

Padlyak, Bohdan ; Ryba-Romanowski, Witold ; Lisiecki, Radosław ; Adamiv, Volodymyr ; Burak, Yaroslav ; Teslyuk, Ihor ; Banaszak-Piechowska, Agnieszka

Contributor:

Gaj, Miron. Redakcja ; Urbańczyk, Wacław. Redakcja

Description:

Optica Applicata, Vol. 40, 2010, nr 2, s. 427-438

Abstrakt:

Optical absorption, luminescence excitation, and emission spectra as well as luminescence kinetics of the Sm- and Yb-doped glasses with lithium tetraborate (Li2B4O7) composition were investigated and analysed. The Sm- and Yb-doped lithium tetraborate glasses of high optical quality were obtained in air from corresponding polycrystalline compounds according to standard glass synthesis technology. The Sm and Yb impurities were added to the Li2B4O7 compound in the form of Sm2O3 and Yb2O3 oxides in amount of 0.4 mol%. Using optical and electron paramagnetic resonance spectroscopy it was shown that the Sm and Yb impurities are incorporated into the lithium tetraborate glass network as Sm3+ (4f5, 6H5/2) and Yb3+ (4f13, 2F7/2) ions, exclusively. All of the observed transitions in the absorption and luminescence spectra of Sm3+ and Yb3+ centres were identified. The luminescence kinetics of the Sm3+ and Yb3+ centres in the Li2B4O7 glass are characterised by a single exponential decay. Decay constants for the main emission transitions of the Sm3+ and Yb3+ centres in the lithium tetraborate glass were obtained at T = 300 K. Incorporation peculiarities and optical spectra of Sm3+ and Yb3+ ions in the lithium tetraborate glass have been discussed in comparison with other borate glasses and crystals.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Wrocław

Date:

2010

Resource Type:

artykuł

Resource Identifier:

oai:dbc.wroc.pl:58277

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

eng

Relation:

Optica Applicata ; Optica Applicata, Vol. 40, 2010 ; Optica Applicata, Vol. 40, 2010, nr 2 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka borate glasses Sm3+ centre Yb3+ centre optical absorption luminescence decay kinetics local structure

Object collections:

Last modified:

Jan 25, 2019

In our library since:

Jan 25, 2019

Number of object content hits:

141

All available object's versions:

https://dbc.wroc.pl./publication/97173

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Optical spectra and luminescence kinetics of the Sm3+ and Yb3+ centres in the lithium tetraborate glasses Jan 25, 2019

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