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您的检索式：作者名="Changjun Ni"
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| 1 | A new DFB-fiber laser hydrophone显示文摘A new fiber optic hydrophone is described. based on a distributed feedback fiber laser (DFB-fiber laser) Experimental arrangement consists of DFB-FL, unbalanced Mach-Zehnder interferometer, piezoelectric (PZT) modulator, detection and feedback control circuit, and oscillograph. Experimental results show that the bare DFB-FL hydrophone is extremely sensitive to small perturbations in their environment and can acquire exact acoustic signals. | WANGJin-yu SUIQing-mei CHANGJun LIU Tong-yu MA Liang-zhu NI Jia-sheng | 2007 | Optoelectronics Letters2007，3，4： | 4 |
| 2 | Possible Spread of adenovirus type 3 from poultry to humans:indirect evidence from an outbreak in China显示文摘客观: 那发生为尖锐的呼吸的道感染的爆发探索传染病学和病原学在江苏省的一个县,中国 2004。方法:仅仅盒子适当定义在学习被包括。我们考察了盒子的医药记录进入本地医院,由一张标准问询表会见了盒子,然后描述了流行病的特征并且分析了借助于盒子控制研究的风险因素。我们收集了咽头的拖把标本并且为隔离和文化把他们送到不同实验室。实验室使用了象 DIF, PCR,电子显微镜考试和微中立化试金那样的不同察觉方法,到识别然后打字积极标本。结果: 871 个案例的一个总数向 2004 年 7 月 4 日从 4 月 18 日在时期期间被汇报。发作时间的分发介绍了二座山峰,在迟了的 5 月的和在中间的 6 月的另外一个。流行病在主要发生了基本并且在一个县的十个镇区的初中学校,和平均数案例变老是 12 年(到 18 年的范围 7 月) 。疾病的功课是尖锐的,并且被伴有酸的喉咙和扁桃腺炎的发烧描绘。案例的白血球计数正常或提高。病的吝啬的持续时间是 5 天(范围 2 ~ 12 天) 。从病的死亡都没被报导。盒子控制研究显示可能的风险因素在发作前是与一个案例或家禽的靠近的接触并且在家庭的成员之中毛巾分享。典型用户终端设备通过在不同实验室接种咽头的拖把标本进 HEP-2 房间文化被观察。侵入人体气管粘膜的病菌类型 3 的感染被在不同方法检测积极标本验证。结论: 这调查证明在情况中的急性呼吸感染被侵入人体气管粘膜的病菌类型 3 引起。案例在 2004 在十个镇区在超过 70 所学校里发生了,并且传播的线路是与案例或微滴传播的可能靠近的接触。 | Changjun Bao Dr. Dworkin Daxin Ni Renjie Jiang Xian Li Zhongze Wang Zhiyang Shi Liang Li Hua Wang | 2007 | Journal of Nanjing Medical University2007，21，5： | 1 |
| 3 | ,Study on a compat methanol reformer for a miniatare fuel cell 显示文摘 | Liwei Pan Changjun Ni Xuebin Zhang etc | 2011 | Internatioual Journal of Hydrogen Energy2011，36，1： | 1 |
| 4 | Imaging ultrafast evolution of subwavelengthsized topography using single-probe structured light microscopy显示文摘Imaging ultrafast processes in femtosecond(fs) laser–material interactions such as fs laser ablation is very important to understand the physical mechanisms involved. To achieve this goal with high resolutions in both spatial and temporal domains, a combination of optical pump–probe microscopy and structured illumination microscopy can be a promising approach, but suffers from the multiple-frame method with a phase shift that is inapplicable to irreversible ultrafast processes such as ablation. Here, we propose and build a wide-field singleprobe structured light microscopy(SPSLM) to image the ultrafast three-dimensional topography evolution induced by fs lasers, where only a single imaging frame with a single structured probe pulse is required for topography reconstruction, benefiting from Fourier transform profilometry. The second harmonic of the fs laser is used as the structured probe light to improve spatial lateral resolution into the subwavelength region of ~478 nm, and the spatial axial and temporal resolutions are estimated to be ~22 nm and ~256 fs, respectively. With SPSLM, we successfully image the ultrafast topography evolution of a silicon wafer surface impacted by single and multiple fs pulses. The variable formation and evolution of the laser induced periodic surface structures during an ultrashort time are visualized and analyzed. We believe that SPSLM will be a significant approach for revealing and understanding various ultrafast dynamics, especially in fs laser ablation and material science. | JIE XU CHANGJUN MIN YUQUAN ZHANG JIELEI NI GENGWEI CAO QIANYI WEI JIANJUN YANG XIAOCONG YUAN | 2022 | Photonics Research2022，10，8： | 1 |
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