搜索结果: 1-13 共查到“光学工程 AR”相关记录13条 . 查询时间(0.031 秒)
由于样品照射产生的问题，40Ar/39Ar法难以测定黏土类细粒矿物（伊利石、蒙脱石、绿帘石、氧化物、地外行星物质、卤水矿物等）、高铁类矿物（黄铁矿、磁铁矿等），严重制约了40Ar/39Ar法在沉积地层、金属成矿、油气成藏、风化历史、卤水成矿、洋底锰结核、月球样品、活断层历史等领域的年代学研究；而大样量分析的传统K-Ar法难以应用等时线技术，从而不能判断年龄的可靠性，不能从事细微化样品分析。针对以上...
武汉大学电子信息学院“先进光电器件及系统”创新团队近日发明了一种可在自然光下工作的超材料全息技术。这项成果近期发表在ACSNano（《ACS纳米》）上。论文题目为Dielectric Meta-Holograms Enabled with Dual Magnetic Resonances in Visible Light（《基于双磁共振的可见光电介质超材料全息片》）。团队以武汉大学校徽为图案，研制...
NH3-Ar气氛下制备的Zn3N2薄膜的结构和光学性能
Zn3N2薄膜 磁控溅射 NH3分压 光致发光
2012/12/12
Zn3N2是一种宽带隙半导体材料,在温度高于400°C氧化可生成p型ZnO:N,p型ZnO:N在电子学和光电子学领域有广泛的应用.在NH3-Ar气氛下,用RF磁控溅射金属Zn靶在玻璃衬底上室温制备了Zn3N2薄膜.用紫外-可见分光光度计、X射线衍射仪、X射线光电子谱分析仪、荧光分光光度计对Zn3N2薄膜的光学透过、光学吸收、结构、化学键态和光致发光进行了测量,研究了NH3分压对Zn3N2薄膜的结构...
Fabrication of mode field converter in H 2 -loaded SMF-28e using CW-Ar + laser
Fiber Bragg gratings photosensitivity Fiber optics components
2015/5/26
We report on mode field diameter changes of -31% due to UV-induced core refractive index changes of ≤10 -2 in SMF-28e leading to a loss reduction of 0.83 dB between SMF-28e and a dispersion compensati...
Strong fiber Bragg gratings in Bi-Al co-doped H 2 -loaded optical fibers using CW-Ar + laser
Fiber Bragg gratings photosensitivity Lasers fiber
2015/5/22
Bragg gratings with reflectivity >93% were fabricated in Bi-Al co-doped H 2 -loaded optical fibers. Average index changes as high as +2.5×10 -3 were obtained. Positive core stress changes indicate a c...
Fabrication of fiber Bragg gratings in 40 μ μm diameter low GeO 2 silica fiber using cw-Ar + -laser
Fiber Bragg gratings photosensitivity Fiber optics components
2015/6/4
Mean index changes >10 -3 were obtained in non-hydrogen-loaded ~3% GeO 2 -doped silica fibers with a 9/40 μm core/cladding diameter using a cw 244-nm-Ar + -laser. Core stress changes are positive indi...
Fabrication of High Quality Poly-Si TFTs by Using Ar-Laser Irradiated Sputter-Si Films
Polycrystalline Si Sputtering Ar-laser
2009/6/9
Precursor a-Si films are deposited by RF planar magnetron sputtering in argon gas at 200 °C substrate temperature. Properties of the a-Si films have large dependences on sputtering gas pressure. Sheet...
Cr ohmic contact on an Ar+ ion modified 6H-SiC(0001) surface
silicon carbide chromium electric contacts
2011/5/10
Chromium layers were vapor deposited under ultrahigh vacuum onto samples cut out of a single crystal of 6H-SiC(0001) that were Ar+ bombardment modified. The substrates and electrical contacts formed b...
Cr ohmic contact on an Ar+ ion modified 6H-SiC(0001) surface
silicon carbide chromium electric contacts
2011/5/10
Chromium layers were vapor deposited under ultrahigh vacuum onto samples cut out of a single crystal of 6H-SiC(0001) that were Ar+ bombardment modified. The substrates and electrical contacts formed b...
AR+AR离子准分子激光振荡
激光振荡器 准分子激光器 紫外激光器 氩离子激光器
2008/10/22
离子准分子激光体系，被认为是获得真空紫外波段(VUV波段)最有希望的低激发阈体系，该课题是国际上开展离子准分子体系研究工作的小组之一。自88年开始，在国家高技术863-410主题X光激光专题组和国家自然科学基金支持资助下，开展了离子准分子VUV激光研究，在国际上首次观察到稀有气体卤化物离子准分子VUV辐射(Ar_2+F-125nm、Kr_2+F-148nm)之后，利用自己设计建造的陡前沿强流相对论...
反应堆核泵浦3He-Ar-Xe气体激光腔内能量沉积数值模拟研究
核泵浦激光 理论模拟 能量沉积
2008/5/4
在TRIM软件计算结果的基础上利用蒙卡方法编制了能量沉积效率与损失率的EDL计算软件，模拟计算了泵浦腔尺寸、混合气体中3He分压等参数与能量沉积密度之间的关系，研究了反应堆核泵浦激光腔内的能量沉积问题，推导出了能量沉积密度的函数关系式。
反应堆核泵浦激光He-Ar-Xe体系泵浦效率理论研究
反应堆核泵浦激光 Xe激光 理论模型 泵浦效率
2008/5/4
系统地提出了He-Ar-Xe核泵浦激光泵浦效率的理论模型，推导了泵浦效率公式。研究了激光泵浦效率与泵浦腔内气体总压力, He和Ar分压,Xe的含量之间的函数关系。并用前人的实验结果定性地对模型进行了验证，拟合了泵浦效率函数参数，探讨了各参数之间的关系及其对泵浦效率的影响，为进一步的实验设计提供了理论依据。
期刊信息
篇名
Extraction of surface roughness from the central d-peak of light scattering using the multi-wavelength of Ar+ laser
语种
英文
撰写或编译
作者
Liu Deli, Qi Dongping, Cheng Chuanfu
第一作者单位
刊物名称
Chinese Jour...