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【期刊论文】LD抽运Nd: YVO4晶体中的上转换及其影响*
宋峰, 冯衍), ), 宋峰), 赵丽娟), 张潮波), 郭红沧), 张光寅)
物理学报,2001,50(2):336~339,-0001,():
-1年11月30日
对激光二极管抽运下Nd: YVO4晶体中的上转换发光做了测量与分析,发现对应4 G7/2能级向下跃迁的上转换发光的主导机制为能量传递上转换,接着,对上转换对LD 抽运Nd: YVO4激光器运转的影响进行了理论分析,并特别讨论了上转换对热效应的影响
上转换, 固体激光器, 热效应
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【期刊论文】Fiber-taper-coupled L-band Er3
宋峰, Xiang Peng a), Feng Song, Shibin Jiang and N. Peyghambarian, Makoto Kuwata-Gonokami, Lei Xu
APPLIED PHYSICS LETTERS VOLUME 82, NUMBER 10 MARCH 2003,-0001,():
-1年11月30日
Er31-doped tellurite glass microspheres were fabricated. The microspheres were made by a spin method. A tapered fiber was used to couple the pump into the microsphere and couple out the laser. L-band microsphere laser is demonstrated. This miniature Er31-doped tellurite glass microsphere laser can be used in photonic microdevices.
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宋峰, Feng Song, a) Chaobo Zhang, Xin Ding, Jingjun Xu, and Guangyin Zhang
Appl. Phys. Lett., Vol. 81, No.12, 16 September 2002,-0001,():
-1年11月30日
A method to determine the focal length of a thermal lens and pumping laser beam waist in the gain medium in laser-diode-pumped solid-state lasers is presented. This method, using resonator transform circle theory, is both simple and reliable. The measured focal length of the thermal lens is used to calculate the beam waist of pumping laser inside the gain medium. The effect of the thermal lens on the output power is also measured and analyzed.
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【期刊论文】1.54μm Εr3+, Yb3+共掺玻璃激光器的速率方程及数值分析*
宋峰, 孟凡臻, 丁欣, 张潮波, 杨嘉, 张光寅
物理学报,2002,51(6):1233~1238,-0001,():
-1年11月30日
LD抽运共掺Er,Yb玻璃激光器中的跃迁过程较复杂,针对双掺离子之间的能量传递和Er3-的多种跃迁过程给出了详细的准三能级系统的速率方程,在合理简化后进行了数值分析,分析了Er3-掺杂浓度和介质长度、抽运光斑、输出镜透过率、谐振腔长、抽运光的椭圆度等因素对激光阈值及斜率效率的影响
1., 54 μm激光, Er3+, 玻璃, 速率方程, 数值分析
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