TN241 2001020833利用腔内可控自相位调制效应压缩飞秒光脉冲=Pulse shortened by controlling the self-phase-modulation in a femtosecond Ti:sapphirering laser[刊,中]/柴路,王清月,张伟力,邢歧荣(天津大学精密仪器与光电子工程学...TN241 2001020833利用腔内可控自相位调制效应压缩飞秒光脉冲=Pulse shortened by controlling the self-phase-modulation in a femtosecond Ti:sapphirering laser[刊,中]/柴路,王清月,张伟力,邢歧荣(天津大学精密仪器与光电子工程学院超快激光研究室,国家教育部光电子信息技术科学重点实验室.天津(300072))//中国激光.—2000,27(5).展开更多
A wavelength converter based on the self phase modulation(SPM) effect in highly nonlinear microstructure fibers(MFs) is proposed.The core diameter and the pitch of the fiber are 2.05 μm and 5.0 μm,respectively,and t...A wavelength converter based on the self phase modulation(SPM) effect in highly nonlinear microstructure fibers(MFs) is proposed.The core diameter and the pitch of the fiber are 2.05 μm and 5.0 μm,respectively,and the diameter of the airholes in the fiber cladding is 4.50 μm.The calculating nonlinear coefficient is 112.2 W-1 km-1 and it is 11 times higher than that of a conventional dispersion-shift fiber and 56 times higher than that of a conventional single-mode fiber.The length of the fiber is 100 m.The core area of the microstructure fiber is 3.3 μm2.The self phase modulation effect is enhanced in the highly nonlinear microstructure fiber due to the very small fiber core area,and then the efficiency of the wavelength conversion is also improved.The wavelength conversion over ±4 nm is obtained with a good efficiency.展开更多
TN241 2005053287 飞秒激光中镜向超热电子能谱的测量=Measurement of hot electron energy spectrum produced by femtosecond la- ser in the specular direction[刊,中]／王光昶(四川大学原 子分子物理所．四川,成都(610065)),郑志...TN241 2005053287 飞秒激光中镜向超热电子能谱的测量=Measurement of hot electron energy spectrum produced by femtosecond la- ser in the specular direction[刊,中]／王光昶(四川大学原 子分子物理所．四川,成都(610065)),郑志坚…∥光电子 ·激光．-2005,16(2)．-179-182 报道了在20 TW飞秒激光器上采用电子磁谱仪和γ 射线谱仪探测器分别对激光-固体靶相互作用镜向产生的 超热电子的能谱及其韧致辐射谱进行的测量。能量测量 结果显示,超热电子能谱呈类麦克斯韦分布,拟合的温度 约为154 keV,这与已知的温度定标率较好地吻合;韧致辐 射谱拟合的温度约为141 keV,如果考虑到电子的碰撞效 应,二者的测量结果是一致的。这是由于几种加热机制共 同作用的结果,其中占主导地位的加热机制是反射激光对 电子的加热。图5参20(严寒)展开更多
O437.2 2000031755单池单焦点及单池双焦点相位共轭度研究=Investigationof fidelity of phase conjugation of single-cell with one focus and single-cell with twofocuses[刊,中]/杨爱玲,李明中,哈元清,杨经国(四川大学物理系.四川...O437.2 2000031755单池单焦点及单池双焦点相位共轭度研究=Investigationof fidelity of phase conjugation of single-cell with one focus and single-cell with twofocuses[刊,中]/杨爱玲,李明中,哈元清,杨经国(四川大学物理系.四川,成都(610064)),丁磊,张小明,满永在(中国工程物理研究院核物理与化学研究所.四川,成都(610003))//中国激光.—1999,26(7).—613-618报道了单池单焦点及单池双焦点两种情况下的受激布里渊散射相位共轭度。展开更多
文摘TN241 2001020833利用腔内可控自相位调制效应压缩飞秒光脉冲=Pulse shortened by controlling the self-phase-modulation in a femtosecond Ti:sapphirering laser[刊,中]/柴路,王清月,张伟力,邢歧荣(天津大学精密仪器与光电子工程学院超快激光研究室,国家教育部光电子信息技术科学重点实验室.天津(300072))//中国激光.—2000,27(5).
基金supported by the Foundation of Guangxi Key Laboratory of Information and Communication (No. MF09002X)the Open Fund of Key Laboratory of Optical Communication and Lightwave Technologies,Beijing University of Posts and Telecommunications,Ministry of Education of China (No. PF090089)
文摘A wavelength converter based on the self phase modulation(SPM) effect in highly nonlinear microstructure fibers(MFs) is proposed.The core diameter and the pitch of the fiber are 2.05 μm and 5.0 μm,respectively,and the diameter of the airholes in the fiber cladding is 4.50 μm.The calculating nonlinear coefficient is 112.2 W-1 km-1 and it is 11 times higher than that of a conventional dispersion-shift fiber and 56 times higher than that of a conventional single-mode fiber.The length of the fiber is 100 m.The core area of the microstructure fiber is 3.3 μm2.The self phase modulation effect is enhanced in the highly nonlinear microstructure fiber due to the very small fiber core area,and then the efficiency of the wavelength conversion is also improved.The wavelength conversion over ±4 nm is obtained with a good efficiency.
文摘TN241 2005053287 飞秒激光中镜向超热电子能谱的测量=Measurement of hot electron energy spectrum produced by femtosecond la- ser in the specular direction[刊,中]／王光昶(四川大学原 子分子物理所．四川,成都(610065)),郑志坚…∥光电子 ·激光．-2005,16(2)．-179-182 报道了在20 TW飞秒激光器上采用电子磁谱仪和γ 射线谱仪探测器分别对激光-固体靶相互作用镜向产生的 超热电子的能谱及其韧致辐射谱进行的测量。能量测量 结果显示,超热电子能谱呈类麦克斯韦分布,拟合的温度 约为154 keV,这与已知的温度定标率较好地吻合;韧致辐 射谱拟合的温度约为141 keV,如果考虑到电子的碰撞效 应,二者的测量结果是一致的。这是由于几种加热机制共 同作用的结果,其中占主导地位的加热机制是反射激光对 电子的加热。图5参20(严寒)
文摘O437.2 2000031755单池单焦点及单池双焦点相位共轭度研究=Investigationof fidelity of phase conjugation of single-cell with one focus and single-cell with twofocuses[刊,中]/杨爱玲,李明中,哈元清,杨经国(四川大学物理系.四川,成都(610064)),丁磊,张小明,满永在(中国工程物理研究院核物理与化学研究所.四川,成都(610003))//中国激光.—1999,26(7).—613-618报道了单池单焦点及单池双焦点两种情况下的受激布里渊散射相位共轭度。
