Yb3+-Activated inorganic aprotic liquids for diode-pumped lasers


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Abstract

This paper presents experimental data on the solubility of Yb(III) compounds in POCl3–MClx, SOCl2–MClx, and SO2Cl2–GaCl3 binary aprotic solvents (where MClx is a Lewis acid). We have measured the absorption and luminescence spectra of Yb3+ in the solutions thus prepared. Liquid POCl3–MCl4–Yb3+ (M = Zr or Sn), SOCl2–GaCl3–Yb3+, and SO2Cl2–GaCl3–Yb3+ gain media with [Yb3+] > 0.2 mol/L and an Yb3+ luminescence quantum yield η > 0.5 for diode-pumped lasers have been prepared for the first time.

About the authors

G. V. Tikhonov

Leipunskii Institute of Physics and Power Engineering

Author for correspondence.
Email: tigen@ippe.ru
Russian Federation, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249033

A. S. Babkin

Leipunskii Institute of Physics and Power Engineering

Email: tigen@ippe.ru
Russian Federation, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249033

E. A. Seregina

Leipunskii Institute of Physics and Power Engineering

Email: tigen@ippe.ru
Russian Federation, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249033

A. A. Seregin

Leipunskii Institute of Physics and Power Engineering

Email: tigen@ippe.ru
Russian Federation, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249033

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