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Spectroscopy of Yb-doped tungsten–tellurite glass and assessment of its lasing properties. / Merzliakov, M. A.; Kouhar, V. V.; Malashkevich, G. E. и др.
в: Optical Materials, Том 75, 01.01.2018, стр. 142-149.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Spectroscopy of Yb-doped tungsten–tellurite glass and assessment of its lasing properties
AU - Merzliakov, M. A.
AU - Kouhar, V. V.
AU - Malashkevich, G. E.
AU - Pestryakov, E. V.
N1 - Publisher Copyright: © 2017 Elsevier B.V.
PY - 2018/1/1
Y1 - 2018/1/1
N2 - Glasses of the TeO2-WO3-Yb2O3 system are synthesized for wide range of Yb3+ concentrations of up to 6.0 × 1021 ions/cm3. The spectral-luminescent properties of lightly doped samples are investigated at room temperature and at the boiling point of liquid nitrogen. The energies of the Stark levels of the ground and excited states of Yb3+ ions incorporated into tungsten–tellurite glass are determined by analyzing the low-temperature spectra. The absorption, emission, and gain cross section spectra are obtained. The excess of the measured fluorescence decay time over the radiative lifetime ∼0.3 ms derived from the absorption spectra is attributed to the reabsorption effect in bulk samples. Measurements of lightly doped glass powder in the immersion liquid are made to reduce the effect of reabsorption. The fluorescence decay time of the powder is very close to the calculated radiative lifetime. Compared with phosphate, silicate, and other Yb3+-doped glasses, the tungsten–tellurite glass has a promising potential as a gain medium for lasers and amplifiers.
AB - Glasses of the TeO2-WO3-Yb2O3 system are synthesized for wide range of Yb3+ concentrations of up to 6.0 × 1021 ions/cm3. The spectral-luminescent properties of lightly doped samples are investigated at room temperature and at the boiling point of liquid nitrogen. The energies of the Stark levels of the ground and excited states of Yb3+ ions incorporated into tungsten–tellurite glass are determined by analyzing the low-temperature spectra. The absorption, emission, and gain cross section spectra are obtained. The excess of the measured fluorescence decay time over the radiative lifetime ∼0.3 ms derived from the absorption spectra is attributed to the reabsorption effect in bulk samples. Measurements of lightly doped glass powder in the immersion liquid are made to reduce the effect of reabsorption. The fluorescence decay time of the powder is very close to the calculated radiative lifetime. Compared with phosphate, silicate, and other Yb3+-doped glasses, the tungsten–tellurite glass has a promising potential as a gain medium for lasers and amplifiers.
KW - Absorption
KW - Emission
KW - Gain cross section
KW - Transparency intensity
KW - Tungsten-tellurite glass
KW - Yb-doped
KW - SYSTEM
KW - LASER
KW - SUPERCONTINUUM GENERATION
KW - POWER
KW - PHOTONIC-CRYSTAL FIBER
KW - PHOSPHATE
KW - TEO2-WO3
KW - Yb3+-doped
KW - YTTERBIUM
KW - EMISSION
KW - SILICATE
KW - Yb -doped
UR - http://www.scopus.com/inward/record.url?scp=85032229472&partnerID=8YFLogxK
U2 - 10.1016/j.optmat.2017.10.018
DO - 10.1016/j.optmat.2017.10.018
M3 - Article
AN - SCOPUS:85032229472
VL - 75
SP - 142
EP - 149
JO - Optical Materials
JF - Optical Materials
SN - 0925-3467
ER -
ID: 12100870