Intense 3.9 µm emission of Ho3+ doped YAlO3 single crystal

Wang, Rui; Huang, Xingbin; Wang, Yichuan; Huang, Runsheng; Zhang, Peixiong; Zhu, Siqi; Yin, Hao; Chen, Zhenqiang; Zheng, Yi; Zhou, Guiyao

doi:10.1016/j.infrared.2017.11.016

Cited by 3 publications

(3 citation statements)

References 25 publications

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“…In Table 3, the J-O intensity parameters Ωt (t = 2, 4, and 6) and the spectroscopic quality factor Ω4/Ω6 for PMN-32PT:Ho 3+ /Yb 3+ are compared with the values obtained for some laser crystals containing Ho 3+ . The value of Ω4/Ω6 for Ho 3+ in PMN-32PT crystal is 3.273, which is larger than that of laser crystals as well as LiNbO3:In 3+ /Ho 3+ [11], YAlO3:Ho 3+ [12], YAG:Ho 3+ [13], and Gd3(Al,Ga)5O12:Ho 3+ /Yb 3+ [14]. It is close to that of CNGG:Ho 3+ and GdScO3:Ho 3+ crystals [16,17].…”

Section: Judd-ofelt Analysismentioning

confidence: 61%

“…Hence, only five absorption bands of Ho 3+ in the spectrum are explored. It is less than that of laser crystals LiNbO3:In 3+ /Ho 3+ [11], YAlO3:Ho 3+ [12], YAG:Ho 3+ [13], and Gd3(Al,Ga)5O12:Ho 3+ /Yb 3+ [14]. It seems that it is necessary to apply the Judd-Ofelt treatment to analyze the absorption spectrum shown in Figure 5.…”

Section: Uv-vis-nir Absorptionmentioning

confidence: 99%

“…The main spectroscopic characteristics, including radiative transition probability, radiative lifetimes, branching ratios, and emission cross section, can be obtained by applying Judd-Ofelt theory. Judd-Ofelt treatment is widely applied to predict the spectroscopic characteristics for laser crystals [10][11][12][13][14][15][16][17][18][19]. However, relevant Judd-Ofelt treatment on the new-type ferroelectric crystals doping with rare earth ions could not be found in the previous literature.…”

Section: Introductionmentioning

confidence: 99%

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Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Zhang

Wang³

et al. 2022

Crystals

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In order to design a new multifunctional crystal with excellent ferroelectric and spectroscopic properties, experiments were carried out for Ho3+/Yb3+ co-doped Pb(Mg1/3Nb2/3)O3 -32PbTiO3 ferroelectric crystal using the flux method, the coercive field Ec of which is 11.86 kV/cm. Up-conversion luminescence emission bands, including an intense green emission band at 553 nm, a red band at 663 nm, and a weak infra-red band at 755 nm, are generated at 980 nm excitation. The main spectroscopic parameters, including radiative transition probability A(J’ − J), radiative lifetimes τrad, and branching ratios β, were predicted by applying Judd–Ofelt treatment. The obtained J-O intensity parameters are Ω2 = 0.531 × 10−20 cm2, Ω4 = 1.738 × 10−20 cm2, Ω6 = 0.530 × 10−20 cm2. The radiative lifetime of 5I7 level is 5.45 ms. The fluorescence lifetime of is 5F5 is 92.568 μs. The investigations show that Ho3+/Yb3+ co-doped Pb(Mg1/3Nb2/3)O3-0.32PbTiO3 crystal is a new type of multifunctional crystal integrating ferroelectric and spectroscopic properties, which has a potential application in the developing innovative multifunctional devices and lasers.

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Section: Judd-ofelt Analysismentioning

confidence: 61%

Section: Uv-vis-nir Absorptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Zhang

Wang³

et al. 2022

Crystals

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Dual-wavelength collaboratively pumping scheme for a 3.9 µm continuous-wave Ho:YLF laser

Jing,

Zhang,

Kang

et al. 2023

J. Opt. Soc. Am. B

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A dual-wavelength collaboratively pumping scheme is proposed to realize the efficient operation of a 3.9 µm continuous wave Ho:YLF laser. An 888 nm laser is used to excite ions from the 5I8 ground-state manifold to the 5I5 laser’s upper manifold. Another 2.1 µm laser is used to excite ions from the 5I6 laser’s lower manifold to the short-lived 5I4 manifold to eliminate the self-terminated effect of 3.9 µm laser oscillation. Numerical simulation of 3.9 µm laser output performances is carried out, based on the developed rate equations. Simulation results indicate that the dual-wavelength collaboratively pumping scheme is feasible to realize the highly efficient output of the 3.9 µm continuous wave Ho:YLF laser. The relationship between the pump power for 888 nm and 2.1 µm laser sources is analyzed to obtain the optimal output. Furthermore, the impacts of crystal doping concentration, crystal length, output mirror transmittance, and important energy-transfer processes on the laser output performances are also analyzed. The dual-wavelength collaboratively pumping scheme provides beneficial guidance for the generation of a 3.9 µm high-power continuous-wave laser in an Ho:YLF laser.

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Sensitization and deactivation effects of Nd³⁺ on the Er³⁺: 27 μm emission in PbF₂ crystal

Xiao¹,

Zhang²,

Yin³

et al. 2019

Opt. Mater. Express

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Intense 3.9 µm emission of Ho3+ doped YAlO3 single crystal

Cited by 3 publications

References 25 publications

Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Dual-wavelength collaboratively pumping scheme for a 3.9 µm continuous-wave Ho:YLF laser

Sensitization and deactivation effects of Nd³⁺ on the Er³⁺: 27 μm emission in PbF₂ crystal

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Intense 3.9 µm emission of Ho3+ doped YAlO3 single crystal

Cited by 3 publications

References 25 publications

Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Ferroelectric and Spectroscopic Properties of Ho3+/Yb3+ Co-Doped Pb(Mg1/3Nb2/3)O3-32PbTiO3 Crystal

Dual-wavelength collaboratively pumping scheme for a 3.9 µm continuous-wave Ho:YLF laser

Sensitization and deactivation effects of Nd3+ on the Er3+: 27 μm emission in PbF2 crystal

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Intense 3.9 µm emission of Ho3+ doped YAlO3 single crystal

Sensitization and deactivation effects of Nd³⁺ on the Er³⁺: 27 μm emission in PbF₂ crystal