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Abstract <p>In this study, the temperature dependence of the fluorescence of a Ti<InlineEquation ID="IEq5"> <EquationSource Format="TEX">\({}^{3+}:\textrm{Al}_{2}\)</EquationSource> <!--OptelIns2570076Yakovin-m5--> </InlineEquation>O<InlineEquation ID="IEq6"> <EquationSource Format="TEX">\({}_{3}\)</EquationSource> <!--OptelIns2570076Yakovin-m6--> </InlineEquation> crystal excited by radiation with wavelengths of 507 and 454 nm was measured. The fluorescence quantum yield was determined, exceeding 100<InlineEquation ID="IEq7"> <EquationSource Format="TEX">\(\%\)</EquationSource> <!--OptelIns2570076Yakovin-m7--> </InlineEquation> and reaching 113<InlineEquation ID="IEq8"> <EquationSource Format="TEX">\(\%\)</EquationSource> <!--OptelIns2570076Yakovin-m8--> </InlineEquation> in the cryogenic temperature range when the crystal was excited by 454 nm radiation.</p>

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Increasing the Fluorescence Efficiency of Ti\({}^{\mathbf{3+}}:\mathbf{Al}_{\mathbf{2}}\)O\({}_{\mathbf{3}}\) Crystal under Cryogenic Cooling and Diode Pumping at 454 and 507 nm

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • D. V. Yakovin,
  • M. D. Yakovin,
  • A. V. Gribanov,
  • G. N. Nikolaev

摘要

Abstract

In this study, the temperature dependence of the fluorescence of a Ti \({}^{3+}:\textrm{Al}_{2}\) O \({}_{3}\) crystal excited by radiation with wavelengths of 507 and 454 nm was measured. The fluorescence quantum yield was determined, exceeding 100 \(\%\) and reaching 113 \(\%\) in the cryogenic temperature range when the crystal was excited by 454 nm radiation.