研究亚稳态原子He(23S)与CH3CN的能量转移反应,获得了CN(B2Σ -X2Σ )的近紫外辐射光谱。根据光谱强度,研究了CN(B2Σ )的形成速率和振动布居,并探讨了传能反应机理。
Calcium fluoride is widely used in optical lithography lenses and causes retardation that cannot be ignored. However, few studies have been conducted to compensate for the retardation caused by calcium fluoride in optical lithography systems. In this Lett
研究了以脉冲YAG倍频激光泵浦Rh6G染料,产生分布反馈激光振荡的辐射光谱、转换效率、时间过程以及可调谐特性;发现在大于泵浦阈值下的分布反馈激光输出的多谱线结构与双脉冲辐射现象,以及分布反馈激光脉冲变窄的自开关效应.作为详细的实验观察和分析.
以高斯型的功率谱模型为基础在理论上计算了高增益激光器的运转状态与光束的时间相干性之间的依赖关系.在实验上研究了CuBr激光的时间相干特性,并将计算结果与实验结果进行了比较.
In recent years, magnetic interference thin films have gained wide attention in optical security devices field by virtue of their gonioapparent and dynamic 3D effects. Based on the color mechanism of metal-dielectric Fabry-Perot structure, a novel seven-l
休斯研究实验室是一个现代化的研究机构,它位于加里福利亚的梅里布山上,俯瞰着太平洋。作为休斯飞机公司的实验室,该室从事公司长期以来一直感兴趣的光学、电子学和系统方面的研究与发展计划。休斯实验室的约一半经费来自国际研究与发展公司的资助,其差额由政府合同补充。在所长史 密斯(G· F. Smitli)博士指导下,约驼0名技 术人员和专业工作人员在7个研究部门工 作。在艾布拉姆斯博士(R· L. Abrams)和普帕(Α. Ε. Popa)先生的指导下,光学物理和光路研究部门分别主要从事与激光有关的研究与发展工作
报道PTM(pulse—transmission—mode)调Q千兆瓦钕玻璃激光装置的技术特色,总体光路排布,振荡器及总体输出性能.
We propose a new type of wavelength division demultiplexer composed of a photonic crystal waveguide with asymmetric corrugated exit surface. The focus displacement for different symmetric corrugated surfaces is relative to the intensity of the excited sur
We report the formation dynamics of periodic ripples on GaAs induced by femtosecond laser pulses (800 nm, 50 fs) via a collinear time-resolved imaging technique with a temporal resolution of 1 ps and a spatial resolution of 440 nm. The onset of periodic r