Growth and spectroscopic properties of Er3+-doped Li3Ba2Y3(MoO4)8 crystal

Song, Mingjun; Wang, Lintong; Zhao, Wei; Wang, Guofu; Zhao, Meili; Meng, Qi

doi:10.1016/j.mseb.2011.04.011

Cited by 11 publications

(3 citation statements)

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“…As a consequence, the grown crystal possesses a trapezoid cross-section, as shown in Figure 1c. It can be found that the profile of the (00−1) face of the Tm 3+ :Li 3 Ba 2 Gd 3 (MoO 4 ) 8 crystal is in good accordance with that of the Yb 3+ :Li 3 Ba 2 Gd 3 (MoO 4 ) 8 and Er 3+ :Li 3 Ba 2 Y 3 (MoO 4 ) 8 crystal grown along the a -direction [12,15]. …”

Section: Methodsmentioning

confidence: 89%

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Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

et al. 2014

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Tm3+:Li3Ba2Gd3(MoO4)8 crystal has been grown by the top seeded solution growth (TSSG) method from a Li2MoO4 flux. The room temperature polarized absorption spectra, fluorescence spectra, and fluorescence decay curves of the crystal were measured. Based on the Judd-Ofelt (J-O) theory, the main spectroscopic parameters of the crystal, including the spontaneous emission probabilities, fluorescence branching ratios, and radiative lifetimes were calculated and analyzed. The broad and strong absorption bands of the crystal show that it can be efficiently pumped by the diode laser, while the large emission cross-sections of the 3F4 → 3H6 transition indicate that the crystal is a promising candidate for tunable and short pulse lasers.

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Section: Methodsmentioning

confidence: 89%

“…The growth temperature interval was 900–870 °C, with a cooling rate of 1 °C/d and a rotating rate of 12 rpm. Additional details on crystal growth can be found in Reference [14,15]. The as-grown Tm 3+ :Li 3 Ba 2 Gd 3 (MoO 4 ) 8 crystal with a prism shape is shown in Figure 1a.…”

Section: Methodsmentioning

confidence: 99%

Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

et al. 2014

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“…In recent years, a great deal of work has been carried out on erbium-doped crystals, which can generate a 1.6 μm laser through the 4 I 13/2 → 4 I 15/2 transition of Er 3+ ions, due to their wide applications in optical communication technology, remote sensing, lidar systems, and medical and eye-safe lasers [1,2]. Er 3+ ions exhibit two absorption bands around 800 and 970 nm in a 750-1050 nm spectral range, which fit the output wavelength of AlGaAs and InGaAs laser diodes well [2]. Unfortunately, Er 3+ -doped crystals suffer from weak absorption at these wavelengths.…”

Section: Introductionmentioning

confidence: 99%

Thermal and spectroscopic properties of Er³⁺: Lu₂SiO₅and characteristics of its in-band pumped laser

Ding

Jiang²,

Bai

et al. 2015

Laser Phys.

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We investigated the thermal properties and Stark-level energies of Er 3+ :Lu 2 SiO 5 crystal and its in-band laser-pumped CW laser. The thermal conductivity, which was calculated by the thermal diffusion coefficient and the specific heat, decreased from 5.3 to 3.2 Wm −1 k −1 with the temperature increasing from 298.15 to 573.15 K. From the low temperature absorption spectra at 10 K and photoluminescence spectrum at 12 K, the Stark level energies of Er 3+ were obtained for the ground state and many excited states. Under pumping by a 1536 nm laser with 4.4 W power, a 1596 nm CW laser with maximum output power of 610 mW was obtained, corresponding to a slope efficiency and optical efficiency of 16.3 % and 13.9 %, respectively.

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Li₃BaSrLa₃(WO₄)₈:Eu³⁺ and Its Solid Solutions : A New Red Emitting Phosphor ‐ Structure, Synthesis and Appraisal of Optical Properties

Singh

Vaidyanathan

2017

ChemistrySelect

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Sequences of red emitting Eu 3 + activated Li 3 BaSrLa 3 (WO 4 ) 8 were, synthesized by following an accustomed solid state reaction method. The concentration of the Eu 3 + ion was varied in the Li 3 BaSrLa 3 (WO 4 ) 8 host lattice in steps of 0.3. From the concentration optimization analysis, it was observed that the (Li 3 BaSrEu 2.7 La 0.3 (WO 4 ) 8 ) phosphor composition shows highest emission intensity. Further, we fixed the Eu 3 + ion concentration, and efforts have been made to establish a solid solution amid the tungstate and molybdates. All the phosphor compositions exhibit broad absorption due to O ! M (M= W/Mo), O ! Eu charge transfer(CT) band and excellent photoluminescence properties, with intense electric dipole transition ( 7 F 0 ! 5 D 2 ). The detailed optical studies were indicated in order to author-ize that the Eu 3 + ion resides at the non-centrosymmetric site residence in the interior of the host lattice. The Judd -Ofelt spectral intensity parameters were calculated. The absolute quantum yield and lifetime of the red phosphors were also measured for selected compositions. It was observed that the selected phosphors yield a high value of QY (89.8 %) with enhanced absorption and emission properties. The best solid solution phosphor composition was used for LED fabrication by integrating with 395 nm near UV LED, forward biased at 20 mA. The leading optical characteristics of the phosphors may find versatile applications in the field of lighting (including SSL) as well as other essential fields.Introduction:

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Growth and spectroscopic properties of Er3+-doped Li3Ba2Y3(MoO4)8 crystal

Cited by 11 publications

References 30 publications

Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

Thermal and spectroscopic properties of Er³⁺: Lu₂SiO₅and characteristics of its in-band pumped laser

Li₃BaSrLa₃(WO₄)₈:Eu³⁺ and Its Solid Solutions : A New Red Emitting Phosphor ‐ Structure, Synthesis and Appraisal of Optical Properties

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Growth and spectroscopic properties of Er3+-doped Li3Ba2Y3(MoO4)8 crystal

Cited by 11 publications

References 30 publications

Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

Crystal Growth and Spectroscopic Investigations of Tm3+:Li3Ba2Gd3(MoO4)8 Crystal

Thermal and spectroscopic properties of Er3+: Lu2SiO5and characteristics of its in-band pumped laser

Li3BaSrLa3(WO4)8:Eu3+ and Its Solid Solutions : A New Red Emitting Phosphor ‐ Structure, Synthesis and Appraisal of Optical Properties

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Product

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Thermal and spectroscopic properties of Er³⁺: Lu₂SiO₅and characteristics of its in-band pumped laser

Li₃BaSrLa₃(WO₄)₈:Eu³⁺ and Its Solid Solutions : A New Red Emitting Phosphor ‐ Structure, Synthesis and Appraisal of Optical Properties