Search Results - "Fomicheva, Liudmila"
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1
Modified theory of f-f transition intensities and crystal field for systems with anomalously strong configuration interaction
Published in Open Physics (01-09-2008)Get full text
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2
On the temperature dependence of transition intensities of rare-earth ions: A modified Judd-Ofelt theory
Published in Optical materials (01-02-2024)“…We report on a modification of the Judd-Ofelt theory accounting for thermal populations of Stark sub-levels of the multiplets involved in transitions in…”
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3
Polarized spectroscopy of Sm3+ ions in monoclinic KGd(WO4)2 crystals for lasers emitting in the red
Published in Journal of luminescence (01-09-2024)“…Single-crystals of potassium gadolinium double tungstate KGd(WO4)2 doped with Sm3+ ions up to 20 at.% were grown from the flux using K2W2O7 as a solvent and a…”
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4
Solid-solution Er:(Sc,Y)2O3 transparent ceramics: Optical spectroscopy, inhomogeneous line broadening, C3i sites and mid-infrared laser operation
Published in Optical materials (01-11-2024)“…Rare-earth-doped transparent sesquioxide laser ceramics enable engineering of their gain bandwidths via solid-solution compositions exhibiting a strong…”
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5
Solid-solution Er:(Sc,Y)2O3 transparent ceramics: Optical spectroscopy, inhomogeneous line broadening, C sites and mid-infrared laser operation
Published in Optical materials (01-11-2024)Get full text
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6
Electron and phonon properties of noncentrosymmetric RhGe from ab initio calculations
Published in Journal of magnetism and magnetic materials (15-01-2019)“…Band structure, Fermi surface, and phonon dispersions of noncentrosymmetric B20-type RhGe are calculated ab initio for the first time and their evolution with…”
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7
Mid-infrared emission properties of erbium-doped fluorite-type crystals
Published in Optical materials express (01-07-2023)“…We report on a comparative study of the spectroscopic properties and mid-infrared laser performance of five 5 at.% Er 3+ -doped fluorite-type crystals MF 2 ,…”
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8
Spectroscopy and efficient laser operation around 2.8 μm of Er:(Lu,Sc)2O3 sesquioxide ceramics
Published in Journal of luminescence (01-12-2021)“…A transparent “mixed” 7 at.% Er:(Lu,Sc)2O3 sesquioxide ceramic was fabricated by hot isostatic pressing of commercial sesquioxide powders at 1750 °C/200 MPa in…”
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9
Stimulated-emission cross-sections of trivalent erbium ions in the cubic sesquioxides Y2O3, Lu2O3, and Sc2O3
Published in Optical materials express (01-05-2023)“…We report on a detailed revision of the spectroscopic properties of Er3+ ions in the cubic sesquioxide host crystals R2O3 (R = Y, Lu and Sc). The 4f-4f…”
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10
Stimulated-emission cross-sections of trivalent erbium ions in the cubic sesquioxides Y 2 O 3 , Lu 2 O 3 , and Sc 2 O 3
Published in Optical materials express (01-05-2023)“…We report on a detailed revision of the spectroscopic properties of Er 3+ ions in the cubic sesquioxide host crystals R 2 O 3 (R = Y, Lu and Sc). The 4f-4f…”
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11
Tm,Ho:Ca(Gd,Lu)AlO4 crystals: Crystal growth, structure refinement and Judd-Ofelt analysis
Published in Journal of luminescence (01-06-2022)“…“Mixed” calcium rare-earth aluminate laser host crystals Ca(Gd,Lu)AlO4 (CALGLO) with up to 10.8 at.% Lu codoped with Tm3+ and Ho3+ ions are grown by the…”
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12
Growth, spectroscopy and 2 μm laser operation of monoclinic Tm3+:ZnWO4 crystal
Published in Optical materials (01-11-2024)“…We report on the crystal growth, polarized spectroscopy, and laser operation of monoclinic Tm3+, Na+(Li+) codoped zinc monotungstate (ZnWO4) crystals. The Li+…”
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13
Emission properties of Tm3+-doped CaF2, KY3F10, LiYF4, LiLuF 4 and BaY2F8 crystals at 1.5 μm and 2.3 μm
Published in Journal of luminescence (01-09-2020)“…Thulium ions (Tm3+) are known for their emissions in the near- and mid-infrared spectral ranges suitable for efficient laser operation. We systematically study…”
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14
Spectroscopy and efficient ~2.8 µm laser operation of Er:(Lu,Sc) 2 O 3 sesquioxide ceramics
Published in Journal of luminescence (01-12-2021)“…A transparent "mixed" 7 at.% Er:(Lu,Sc) 2 O 3 sesquioxide ceramic was fabricated by hot isostatic pressing of commercial sesquioxide powders at 1750 °C / 200…”
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15
Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering
Published in Optics express (14-09-2020)Get full text
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16
Growth, spectroscopy and first laser operation of monoclinic Ho3+:MgWO4 crystal
Published in Journal of luminescence (01-09-2019)“…A monoclinic 0.86 at.% Ho3+:MgWO4 crystal is grown by the Top-Seeded-Solution Growth method. Its spectroscopic properties are studied with polarized light for…”
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17
Monoclinic Tm:MgWO4 crystal: Crystal-field analysis, tunable and vibronic laser demonstration
Published in Journal of alloys and compounds (30-09-2018)“…Tm3+-doped monoclinic magnesium monotungstate (MgWO4) is a promising material for lasers emitting at above 2 μm. Stark splitting of 3H6 to 1G4 Tm3+ multiplets…”
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18
Spectroscopy of solid-solution transparent sesquioxide laser ceramic Tm:LuYO3
Published in Optical materials express (01-09-2022)“…We report on a detailed spectroscopic study of a Tm3+-doped transparent sesquioxide ceramic based on a solid-solution (lutetia – yttria, LuYO3) composition…”
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19
Spectroscopy and diode-pumped laser operation of transparent Tm:Lu 3 Al 5 O 12 ceramics produced by solid-state sintering
Published in Optics express (14-09-2020)“…A transparent Tm:Lu 3 Al 5 O 12 ceramic is fabricated by solid-state reactive sintering at 1830 °C for 30 h using commercial α -Al 2 O 3 and Lu 2 O 3 /Tm 2 O 3…”
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20
Polarized spectroscopy of Sm 3+ ions in monoclinic KGd(WO 4 ) 2 crystals
Published in EPJ Web of conferences (2023)“…We report on a polarization-resolved spectroscopic study of Sm 3+ -doped monoclinic KGd(WO 4 ) 2 crystals. The transition probabilities for Sm 3+ ions were…”
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