A periodically poled lithium niobate (PPLN) optical parametric generator (OPG) pumped by a laser diode (LD)-pumped Q-switched Tm,Ho:GdVO4 laser operated at 2.048 \mum with pump pulse of 25 ns and repetition rate of 10 kHz is reported. A continuous tunable middle-infrared (mid-IR) spectrum of 3.88~4.34 \mum is obtained by changing the crystal temperature from 50 to 124 oC. When the incident pump power is 3 W, the total OPG output power is 95 mW, corresponding to optical conversion efficiency of 3
2021-02-26 14:07:31 192KB 光参量产 Tm Ho:GdVO4 中红外激
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A high repetition rate Tm:Ho:LuLiF master-oscillator and polarization-maintaining (PM) Tm-doped fiber power-amplifier system is presented. A 11.3-kHz, 0.4-nm line width, 0.89-W Tm:Ho:LuLiF seed laser is developed. Using a two-stage PM Tm-doped fiber power amplifier system, 32.4-W output power is obtained with 0.4-nm line width at a central wavelength of 2058.5 nm, corresponding to 0.66-W seed laser. The laser spectrum and pulse profile are measured.
2021-02-26 09:06:26 785KB Tm:Ho:LuL 2微米 MOPA 保偏掺铥
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A diode-pumped passively Q-switched Tm,Ho:YAP laser with a single-walled carbon nanotube
2021-02-10 12:03:58 622KB 研究论文
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分析了熔体提拉法生长Ho∶Tm∶YLF晶体过程中熔体表面漂浮物的产生原因,以及晶体中散射颗粒、孪晶和开裂的成因。通过精心设计对称性温场,并调整温场、优化生长工艺参数,有效消除了晶体中的散射颗粒,克服了晶体开裂。采取在生长气氛中加入一定量CF4等工艺措施有效减少了熔体表面上的氟氧化物漂浮物,克服了漂浮物对生长晶体的影响,生长出了尺寸为(25~30)mm×(100~120)mm的高品质HoTmYLF晶体。HoTmYLF晶体激光性能测试表明,在LD双端抽运条件下获得了超过10 W的2.05 μm激光输出,激光斜率效率达到41.2%,光光转换效率达到36.4%。
2021-02-09 14:06:09 1.55MB 材料 激光晶体 HoTmYLF晶 晶体生长
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Ho-Kashyap算法,用于求解判别界面方程。
2019-12-21 22:24:29 38KB Ho-Kashyap 模式识别
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下载了很多LMSE(Ho-Kashyap)实现代码,挑选汇总了一下,有C++和Matlab实现
2019-12-21 21:07:13 220KB Matlab C语言 LMSE
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这本书是人文通信(Human bond communication)的一本比较著名的书。希望大家可以从中学习到一些东西
2019-12-21 19:37:33 2.74MB Dixit Human the Ho
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