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浏览/检索结果: 共26条，第1-10条 帮助

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Timing fluctuation correction for the front end of a 100-PW laser 期刊论文  OAI收割
HIGH POWER LASER SCIENCE AND ENGINEERING, 2023, 卷号: 11
作者:  Li, Hongyang;  Liu, Keyang;  Wang, Xinliang;  Liu, Xingyan;  Meng, Xianze
  |  收藏  |  浏览/下载：28/0  |  提交时间：2023/09/25
An experimental investigation of fatigue performance and crack initiation characteristics for an SLMed Ti-6Al-4V under different stress ratios up to very-high-cycle regime 期刊论文  OAI收割
INTERNATIONAL JOURNAL OF FATIGUE, 2022, 卷号: 164, 页码: 14
作者:  Fu, Rui;  Zheng, Liang;  Ling, Chao;  Zhong, Zheng
  |  收藏  |  浏览/下载：52/0  |  提交时间：2022/08/28
Sound recovery via intensity variations of speckle pattern pixels selected with variance-based method 期刊论文  OAI收割
OPTICAL ENGINEERING, 2018, 卷号: 57, 期号: 2, 页码: 26117
作者:  Zhu, Ge;  Yao, Xu-Ri;  Qiu, Peng;  Mahmood, Waqas;  Yu, Wen-Kai
  |  收藏  |  浏览/下载：124/0  |  提交时间：2018/04/09
Measurement of CO2 concentration at high-temperature based on tunable diode laser absorption spectroscopy 期刊论文  OAI收割
INFRARED PHYSICS & TECHNOLOGY, 2017, 卷号: 80, 期号: 无, 页码: 131-137
作者:  Chen, Jiuying;  Li, Chuanrong;  Zhou, Mei;  Liu, Jianguo;  Kan, Ruifeng
收藏  |  浏览/下载：21/0  |  提交时间：2018/05/02
Laser-driven plasma collider for nuclear studies 期刊论文  OAI收割
SCIENCE BULLETIN, 2015, 卷号: 60, 页码: 1211-1213
作者:  Zhang, Jie;  Zhu, Jianqiang;  Zhu, Baojun;  Zhao, Jiarui;  Zhao, Gang
  |  收藏  |  浏览/下载：47/0  |  提交时间：2018/05/31
Influence of high temperature annealing in nitrogen on upconversion luminescence of -NaYF4: Yb3+, Er3+ hexagonal sub-microplates (EI CONFERENCE) 会议论文  OAI收割
2012 International conference on Function Materials and Nanotechnology, FMN 2012, May 19, 2012 - May 20, 2012, Zhengzhou, China
作者:  Zhao J.
收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25
The pure -NaYF4: Yb3+  Er3+ hexagonal sub-microplates were successfully prepared by the combination of coprecipitation and hydrothermal methods using sodium citrate as chelator. The size of them is about 600 nm 400 nm (side length thickness). The obtained sample was divided into two parts and one of them was annealed in nitrogen at 300 C for 2 hours. The crystal structure of the -NaYF4: Yb3+  Er3+ hexagonal sub-microplates before and after annealing treatment is hexagonal phase. Under the excitation of 980 nm diode laser  the upconversion luminescence intensity the sample after annealing is much stronger than that of the sample without annealing treatment. High temperature annealing process improved the crystallization of the sample  resulting in the decrease of the nonradiative relaxation and the enhancement of the upconversion luminescence. (2012) Trans Tech Publications  Switzerland.  
Nanoscale patterns made by using a 13.5-nm Schwarzschild objective and a laser produced plasma source (EI CONFERENCE) 会议论文  OAI收割
Optical Micro- and Nanometrology IV, April 16, 2012 - April 18, 2012, Brussels, Belgium
作者:  Wang X.;  Wang X.;  Wang X.;  Wang Z.;  Wang Z.
收藏  |  浏览/下载：37/0  |  提交时间：2013/03/25
Lithium fluoride (LiF) crystal is a very promising candidate as nanometer resolution EUV and soft X-ray detector. Compared with other EUV and soft X-ray detectors  charge coupled device and photographic films  LiF crystal has high resolution  large field of view and wide dynamic range. In this paper  using LiF crystal as EUV detector and a Schwarzschild objective (SO) working at 13.5nm as projection optics  mesh images with 4.2 m  1.2 m and 800 nm line width and pinhole patterns with 1.5m diameter are acquired in projection imaging mode and direct writing mode  respectively. Fluorescence intensity profiles of images show that the resolution of mesh image is 900 nm  and the one of pinhole image is 800 nm. In the experiments  a spherical condense mirror based on normal incidence type is used to eliminate the damage and contamination on the masks (mesh and pinhole) caused by the laser plasma  and the energy density is not decreased compared with that the masks are close to the plasma. The development of the SO  the alignment of the objective and the imaging experiments are also reported. 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).  
Strong terahertz radiation from relativistic laser interaction with solid density plasmas 期刊论文  OAI收割
APPLIED PHYSICS LETTERS, 2012, 卷号: 100, 期号: 25
Li, YT; Li, C; Zhou, ML; Wang, WM; Du, F; Ding, WJ; Lin, XX; Liu, F; Sheng, ZM; Peng, XY; Chen, LM; Ma, JL; Lu, X; Wang, ZH; Wei, ZY; Zhang, J
收藏  |  浏览/下载：22/0  |  提交时间：2013/09/24
Polarization of terahertz emission out of incident plane from laser interactions with solid targets 期刊论文  OAI收割
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2012, 卷号: 55, 期号: 4, 页码: 589
Du, F; Li, C; Zhou, ML; Wang, WM; Su, LN; Zheng, Y; Li, YT; Ma, JL; Sheng, ZM; Chen, LM; Lu, X; Wang, ZH; Wei, ZY; Zhang, J
收藏  |  浏览/下载：47/0  |  提交时间：2013/09/24
Autocollimation form dual-frequency laser diffraction grating interferometer design and analysis (EI CONFERENCE) 会议论文  OAI收割
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Wang C.-G.
收藏  |  浏览/下载：32/0  |  提交时间：2013/03/25
Propose a new measurement system of autocollimation form laser grating heterodyne interferometer. Take grating diffraction and polarization optics as theoretical foundation  second  furthermore  combined with electronics knowledge to analyze the system. First  make use of autocollimation diffraction of grating  measurement information obtained by dual-frequency laser belongs to ac signal  the interferometer measurement system take grating pitch as measuring datum  the structure is simple  possess great gain and high signal-noise ratio  therefore  stable  completely overcome the disadvantages of DC level drift caused by light intensity variation of single-frequency laser  system can achieve nanometer resolution. 2010 IEEE.  reduce the impact of environmental factors  easy to install and debug  measurement error is small