Search Results - "Fang, Zhongqing"
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Growth, structure and spectroscopic properties of Er,Pr:YAP laser crystal
Published in Optical materials (01-10-2018)“…Er3+ and Pr3+ co-doped YAP laser crystal with high optical quality was grown successfully by the Czochralski method for the first time. By contrast, an Er3+…”
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2
Kerker Effects and Bound States in the Continuum in PT-Symmetric Dielectric Metasurfaces
Published in IEEE photonics journal (01-08-2022)“…We investigate the light transmission and reflection spectra of parity-time (PT) symmetric dielectric metasurfaces composed of high refractive index…”
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Analysis of Wideband Scattering from Antenna Based on RFGG-FG-FFT with Cube Polynomial Inter/Extrapolation Method
Published in Applied sciences (01-10-2022)“…This paper presents an efficient real-coefficient fitting both Green’s function and its gradient with Fast Fourier Transform (RFGG-FG-FFT) with cube polynomial…”
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Multi‐strategy enhanced coot algorithm for coverage optimization in wireless sensor networks
Published in Electronics letters (01-07-2023)“…An improved coot optimization algorithm (COOT) is proposed for the coverage optimization in wireless sensor networks (WSNs). To monitor areas of interest and…”
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5
Magnetic Purcell effect in all-dielectric periodic optical antennas
Published in Optics communications (15-09-2022)“…We investigate the magnetic dipole spontaneous emission in the periodic all-dielectric subwavelength spheres array by the magnetic dyadic Green function,…”
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Hybrid Q-switched Tm:YAG ceramic laser with acousto-optic modulator and Cr:ZnSe crystal
Published in Optik (Stuttgart) (01-06-2022)“…We report on a hybrid Q-switched Tm:YAG ceramic laser emitting near 2 µm with an acousto-optic modulator (AOM) and a Cr:ZnSe crystal. Stable laser pulse could…”
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7
Growth, spectroscopic, diode-pumped mid-infrared laser properties of Er:GSAG crystal
Published in Journal of alloys and compounds (25-01-2020)“…A great potential mid-infrared laser crystal of heavily Er3+ doped GSAG crystal with high optical quality is successfully grown by Cz method. The crystal…”
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Thermal analysis and laser performance of a GYSGG/Cr,Er,Pr:GYSGG composite laser crystal operated at 2.79 μm
Published in Optics express (04-09-2017)“…We demonstrate the thermal analysis and laser performance of a GYSGG/Cr,Er,Pr:GYSGG composite crystal. The lifetime ratio of lower and upper levels of Er in…”
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2.7 μm dual-wavelength laser performance of LD end-pumped Er:YAP crystal
Published in Optics express (29-10-2018)“…We demonstrate a laser diode (LD) end-pumped Er:YAP laser with dual-wavelength outputs of 2710 and 2728 nm. The maximum average powers of 739 and 738 mW are…”
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Growth, spectroscopy, and laser performance of a 2.79 μm Cr,Er,Pr:GYSGG radiation-resistant crystal
Published in Optics letters (15-09-2015)“…We demonstrate the growth, spectroscopy, and laser performance of a 2.79 μm Cr,Er,Pr:GYSGG radiation-resistant crystal. The lifetimes for the upper laser level…”
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Growth, structure, and spectroscopic properties of an Yb3+, Ho3+ co-doped LuYAG single crystal for 2.91 μm laser
Published in Applied physics. A, Materials science & processing (01-10-2019)“…Yb 3+ and Ho 3+ co-doped Lu 2.55 Y 0.45 Al 5 O 12 (Yb,Ho:LuYAG) crystal with a size of Φ 28 mm × 120 mm was successfully grown by the Czochralski method. The…”
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12
Growth, spectroscopy, and laser performance of a radiation-resistant Cr,Yb,Ho,Pr:GYSGG crystal for 2.84 µm mid-infrared laser
Published in Journal of luminescence (01-02-2018)Get full text
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13
27 μm dual-wavelength laser performance of LD end-pumped Er:YAP crystal
Published in Optics express (29-10-2018)Get full text
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14
Laser performance of high repetition frequency on a 970 nm LD side-pumped Er:YSGG crystal operated at 2.79 μm
Published in Infrared physics & technology (01-03-2020)“…•The 25 at. % Er:YSGG crystal with higher homogeneity was grown by Cz method.•A maximum power of 11.81 W with slope efficiency of 10.49% is realized at 500…”
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A modified formula of thermal focal length for lamp pumping Cr, Er:YSGG crystal with high performance 2.79 μm laser
Published in Optics and laser technology (01-07-2019)“…•Four Cr,Er:YSGG crystal were processed with the size of Ø 3–6 mm × 105 mm.•A maximum pulse energy 1261 mJ operated at 5 Hz and 2.79 μm.•The formula of the…”
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16
Structure, defects, and spectroscopic properties of a Yb,Ho,Pr:YAP laser crystal
Published in Journal of alloys and compounds (05-07-2016)“…Structure, defects, and spectroscopic properties of a Yb,Ho,Pr:YAlO3 (Yb,Ho,Pr:YAP) single crystal grown by the Czochralski method were investigated. The…”
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17
Growth and spectroscopic properties of the 2.9μm Tm,Ho:LuYAG laser crystals
Published in Optical materials (01-09-2015)“…•Lu2.4Y0.6Al5O12 (LuYAG) crystals with different doping concentrations of Tm3+ and Ho3+ were grown by the Czochralski method.•Absorption spectra indicate the…”
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18
Growth, spectroscopy, and laser performance of a radiation-resistant Cr,Yb,Ho,Pr:GYSGG crystal for 2.84µm mid-infrared laser
Published in Journal of luminescence (01-02-2018)“…A new Cr3+, Yb3+, Ho3+, and Pr3+ co-doped GYSGG (Gd2YSc2Ga3O12) single crystal with a size of Φ 26mm × 80mm was grown successfully using the Czochralski method…”
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Improvement of single pulse energy and laser efficiency by co-doping Cr3+ ions into the Er:YAG crystal
Published in Infrared physics & technology (01-03-2019)“…•High quality Cr,Er:YAG crystal was grown successfully by the Czochralski method.•Maximum single-pulse energies of 0.99 and 1.52 J are obtained on Er:YAG and…”
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