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| 1 | Research progresses on Cherenkov and transit-time high-power microwave sources at NUDT显示文摘Research progresses on Cherenkov and transit-time high-power microwave(HPM)sources in National University of Defense Technology(NUDT)of China are presented.The research issues are focused on the following aspects.The pulse-shortening phenomenon in O-type Cerenkov HPM devices is suppressed.The compact coaxial relativistic backward-wave oscillators(RBWOs)at low bands are developed.The power efficiency in M-Type HPM tubes without guiding magnetic field increased.The power capacities and power efficiencies in the triaxial klystron amplifier(TKA)and relativistic transit-time oscillator(TTO)at higher frequencies increased.In experiments,some exciting results were obtained.The X-band source generated 2 GW microwave power with a pulse duration of 110 ns in 30 Hz repetition mode.Both L-and P-band compact RBWOs generated over 2 GW microwave power with a power efficiency of over 30%.There is approximately a 75% decline of the volume compared with that of conventional RBWO under the same power capacity conditions.A 1.755 GHz MILO produced 3.1 GW microwave power with power efficiency of 10.4%.A 9.37 GHz TKA produced the 240 MW microwave power with the gain of 34 dB.A 14.3 GHz TTO produced 1 GW microwave power with power efficiency of 20%. | Jiande Zhang Xingjun Ge Jun Zhang Juntao He Yuwei Fan Zhiqiang Li Zhenxing Jin Liang Gao Junpu Ling Zumin Qi | 2016 | Matter and Radiation at Extremes2016，1，3： | 7 |
| 2 | Transversal and longitudinal mode selections in double corrugation coaxial slow-wave devices显示文摘 | Ge Xingjun Zhong Huibuang Qian Baoliang | 2009 | Physics of Plasmas2009，16，06： | 1 |
| 3 | Dispersive characteristics and longitudinal resonance properties in a relativistic balk ward wave oscillator with the coaxial arbitrary profile slow wave structure显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2009 | Physics of Plasmas2009，16，11： | 1 |
| 4 | Transversal and longitudinal mode selections in double-corrugation coaxial slow wave devices显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2009 | Physics of Plasmas2009，16，06： | 1 |
| 5 | Transversal and longitudinal mode selections in double-corrugation coaxial slow-wave devices显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2009 | Physics of Plasmas2009，16，6： | 1 |
| 6 | A compact P-band coaxial relativistic backward wave oscillator with only three periods slow wave structure显示文摘 | Liang Gao Qian Baoliang Ge Xingjun | 2011 | Phys Plasmas2011，18，10： | 1 |
| 7 | An L-band coaxial relativistic backward wave oscillator with mechanical frequency tun- ability显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2010 | Appl Phys Lett2010，97，10： | 1 |
| 8 | Dispersive characteristics and longitudinal resonance properties in a relativistic backward wave oscillator with the coaxial arbitrary-profile slow-wave structure显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2009 | Phys of Plasmas2009，16，11： | 1 |
| 9 | An L-band coaxial relativistic backward wave oscillator with mechanical frequency tunability显示文摘 | Ge Xingjun Zhong Huihuang Qian Baoliang | 2010 | Appl Phys Lett2010，97，10： | 1 |
| 10 | A compact P-band coaxial relativistic backward wave oscillator with only three periods slow wave structure显示文摘 | Gao Liang Qian Baoliang Ge Xingjun | 2011 | Phys of Plasmas2011，18，10： | 1 |
| 11 | Mapping of individual sensory nerve axons from digits to spinal cord with the transparent embedding solvent system显示文摘Achieving uniform optical resolution for a large tissue sample is a major challenge for deep imaging.For conventional tissue clearing methods,loss of resolution and quality in deep regions is inevitable due to limited transparency.Here we describe the Transparent Embedding Solvent System(TESOS)method,which combines tissue clearing,transparent embedding,sectioning and block-face imaging.We used TESOS to acquire volumetric images of uniform resolution for an adult mouse whole-body sample.The TESOS method is highly versatile and can be combined with different microscopy systems to achieve uniformly high resolution.With a light sheet microscope,we imaged the whole body of an adult mouse,including skin,at a uniform 0.8×0.8×3.5μm^(3) voxel resolution within 120 h.With a confocal microscope and a 40×/1.3 numerical aperture objective,we achieved a uniform sub-micron resolution in the whole sample to reveal a complete projection of individual nerve axons within the central or peripheral nervous system.Furthermore,TESOS allowed the first mesoscale connectome mapping of individual sensory neuron axons spanning 5 cm from adult mouse digits to the spinal cord at a uniform sub-micron resolution. | Yating Yi Youqi Li Shiwen Zhang Yi Men Yuhong Wang Dian Jing Jiayi Ding Qingjie Zhu Zexi Chen Xingjun Chen Jun-Liszt Li Yilong Wang Jun Wang Hanchuan Peng Li Zhang Wenjing Luo Jian Q.Feng Yongwen He Woo-Ping Ge Hu Zhao | 2024 | Cell Research2024，34，2： | 0 |
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