Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses
The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-...
Ausführliche Beschreibung
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Kesavulu, C.R. [verfasserIn] |
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Englisch |
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2016transfer abstract |
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Enthalten in: Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners - Jacobs, Jacquelyn A. ELSEVIER, 2017, JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics, Lausanne |
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volume:683 ; year:2016 ; day:25 ; month:10 ; pages:590-598 ; extent:9 |
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DOI / URN: |
10.1016/j.jallcom.2016.04.314 |
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ELV014285800 |
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245 | 1 | 0 | |a Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses |
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520 | |a The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. | ||
520 | |a The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. | ||
650 | 7 | |a Er3+ glasses |2 Elsevier | |
650 | 7 | |a NIR luminescence |2 Elsevier | |
650 | 7 | |a Decay time |2 Elsevier | |
650 | 7 | |a Optical properties |2 Elsevier | |
650 | 7 | |a Optical amplifiers |2 Elsevier | |
700 | 1 | |a Kim, H.J. |4 oth | |
700 | 1 | |a Lee, S.W. |4 oth | |
700 | 1 | |a Kaewkhao, J. |4 oth | |
700 | 1 | |a Wantana, N. |4 oth | |
700 | 1 | |a Kothan, S. |4 oth | |
700 | 1 | |a Kaewjaeng, S. |4 oth | |
773 | 0 | 8 | |i Enthalten in |n Elsevier |a Jacobs, Jacquelyn A. ELSEVIER |t Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |d 2017 |d JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics |g Lausanne |w (DE-627)ELV001115774 |
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10.1016/j.jallcom.2016.04.314 doi GBVA2016015000016.pica (DE-627)ELV014285800 (ELSEVIER)S0925-8388(16)31333-0 DE-627 ger DE-627 rakwb eng 670 540 670 DE-600 540 DE-600 630 VZ Kesavulu, C.R. verfasserin aut Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. Er3+ glasses Elsevier NIR luminescence Elsevier Decay time Elsevier Optical properties Elsevier Optical amplifiers Elsevier Kim, H.J. oth Lee, S.W. oth Kaewkhao, J. oth Wantana, N. oth Kothan, S. oth Kaewjaeng, S. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:683 year:2016 day:25 month:10 pages:590-598 extent:9 https://doi.org/10.1016/j.jallcom.2016.04.314 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 683 2016 25 1025 590-598 9 045F 670 |
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10.1016/j.jallcom.2016.04.314 doi GBVA2016015000016.pica (DE-627)ELV014285800 (ELSEVIER)S0925-8388(16)31333-0 DE-627 ger DE-627 rakwb eng 670 540 670 DE-600 540 DE-600 630 VZ Kesavulu, C.R. verfasserin aut Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. Er3+ glasses Elsevier NIR luminescence Elsevier Decay time Elsevier Optical properties Elsevier Optical amplifiers Elsevier Kim, H.J. oth Lee, S.W. oth Kaewkhao, J. oth Wantana, N. oth Kothan, S. oth Kaewjaeng, S. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:683 year:2016 day:25 month:10 pages:590-598 extent:9 https://doi.org/10.1016/j.jallcom.2016.04.314 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 683 2016 25 1025 590-598 9 045F 670 |
allfields_unstemmed |
10.1016/j.jallcom.2016.04.314 doi GBVA2016015000016.pica (DE-627)ELV014285800 (ELSEVIER)S0925-8388(16)31333-0 DE-627 ger DE-627 rakwb eng 670 540 670 DE-600 540 DE-600 630 VZ Kesavulu, C.R. verfasserin aut Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. Er3+ glasses Elsevier NIR luminescence Elsevier Decay time Elsevier Optical properties Elsevier Optical amplifiers Elsevier Kim, H.J. oth Lee, S.W. oth Kaewkhao, J. oth Wantana, N. oth Kothan, S. oth Kaewjaeng, S. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:683 year:2016 day:25 month:10 pages:590-598 extent:9 https://doi.org/10.1016/j.jallcom.2016.04.314 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 683 2016 25 1025 590-598 9 045F 670 |
allfieldsGer |
10.1016/j.jallcom.2016.04.314 doi GBVA2016015000016.pica (DE-627)ELV014285800 (ELSEVIER)S0925-8388(16)31333-0 DE-627 ger DE-627 rakwb eng 670 540 670 DE-600 540 DE-600 630 VZ Kesavulu, C.R. verfasserin aut Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. Er3+ glasses Elsevier NIR luminescence Elsevier Decay time Elsevier Optical properties Elsevier Optical amplifiers Elsevier Kim, H.J. oth Lee, S.W. oth Kaewkhao, J. oth Wantana, N. oth Kothan, S. oth Kaewjaeng, S. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:683 year:2016 day:25 month:10 pages:590-598 extent:9 https://doi.org/10.1016/j.jallcom.2016.04.314 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 683 2016 25 1025 590-598 9 045F 670 |
allfieldsSound |
10.1016/j.jallcom.2016.04.314 doi GBVA2016015000016.pica (DE-627)ELV014285800 (ELSEVIER)S0925-8388(16)31333-0 DE-627 ger DE-627 rakwb eng 670 540 670 DE-600 540 DE-600 630 VZ Kesavulu, C.R. verfasserin aut Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. Er3+ glasses Elsevier NIR luminescence Elsevier Decay time Elsevier Optical properties Elsevier Optical amplifiers Elsevier Kim, H.J. oth Lee, S.W. oth Kaewkhao, J. oth Wantana, N. oth Kothan, S. oth Kaewjaeng, S. oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:683 year:2016 day:25 month:10 pages:590-598 extent:9 https://doi.org/10.1016/j.jallcom.2016.04.314 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 683 2016 25 1025 590-598 9 045F 670 |
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influence of er3+ ion concentration on optical and photoluminescence properties of er3+-doped gadolinium-calcium silica borate glasses |
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Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses |
abstract |
The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. |
abstractGer |
The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. |
abstract_unstemmed |
The Er3+-doped gadolinium calcium silica borate glasses of composition (55-x) B2O3 – 10 SiO2 – 25 Gd2O3 – 10 CaO – x Er2O3, where x = 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 mol %, have been prepared by conventional melt quenching technique and are characterized through optical absorption, visible and near-infrared (NIR) emission spectra and decay time measurements. Judd-Ofelt (JO) intensity parameters (Ωλ, λ = 2, 4 and 6) have been derived from the absorption spectrum of 0.5 mol % Er2O3 doped glass and in turn are used to calculate radiative properties for the important luminescent levels of Er3+ ions. The studied glasses show intense and broad green (550 nm) and red (591 nm) visible emissions under at 379 nm excitation. Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. Hence, these results clearly indicate that present glasses are suitable for efficient short and conventional-length optical amplifiers and tunable lasers. |
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Influence of Er3+ ion concentration on optical and photoluminescence properties of Er3+-doped gadolinium-calcium silica borate glasses |
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Upon excitation at 980 nm laser diode, an intense 1.53 μm NIR emission has been observed with the maximum full width at half maximum (FWHM) and its value is found to be 106 nm for 2.5 mol % Er3+-doped gadolinium calcium silica borate glasses. This broad luminescence locates in the region of 1420–1635 nm and covers the S, C and L bands. The decay curves of the 4I13/2 level exhibit exponential nature for all the concentrations. The lifetime of the 4I13/2 level has found to be decrease from 1.46 to 1.35 ms with increase of Er3+ ion concentration. 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ELSEVIER</subfield><subfield code="t">Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners</subfield><subfield code="d">2017</subfield><subfield code="d">JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics</subfield><subfield code="g">Lausanne</subfield><subfield code="w">(DE-627)ELV001115774</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:683</subfield><subfield code="g">year:2016</subfield><subfield code="g">day:25</subfield><subfield code="g">month:10</subfield><subfield code="g">pages:590-598</subfield><subfield code="g">extent:9</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jallcom.2016.04.314</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">683</subfield><subfield code="j">2016</subfield><subfield code="b">25</subfield><subfield code="c">1025</subfield><subfield code="h">590-598</subfield><subfield code="g">9</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">670</subfield></datafield></record></collection>
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