学术报告：Wenlong He（University of Strathclyde）
时间: 2015-07-25 作者: 浏览次数: 1994
报告题目： High power Broadband Terahertz amplifier and its applications in Magnetic Resonances
报 告 人： Wenlong He, Senior Research Fellow, University of Strathclyde.
报告时间： 2014年11月12日（周三）下午2:00
报告地点：物理科技楼101
报告摘要：The Gyrotron travelling wave amplifiers are high power coherent microwave sources that excel at high frequencies (up to terahertz range) and have many applications including high resolution RADAR, plasma diagnostics, communications, medical imaging, security sensing and material analysis based on electron spin resonance and terahertz spectroscopy. Recent breakthrough in the research and development of the gyro-devices at University of Strathclyde has resulted in unprecedented operating frequency bandwidth. This is due to ideal dispersion properties existed in a helically corrugated interaction region (HCIR). The principle and frequency scalability of the gyro-devices using HCIRs are discussed. Demonstration and experimental results at 90-100GHz frequency will be presented as well. This technology has demonstrated its capability to meet the eager demand in magnetic resonances (MR) systems and MR is an absolutely indispensable key underpinning technology across almost all areas of physical science including physics, chemistry, biology and material science.
个人简介：Wenlong He received the B.Sc. degree in physics from Soochow University, Jiangsu, China, in 1983, the M.Sc. degree in accelerator physics from the China Academy of Engineering Physics, Chengdu, China, in 1988, and the Ph.D. degree in relativistic electron beams and masers from the Department of Physics, University of Strathclyde, Glasgow, U.K., in 1995. He is currently a Senior Research Fellow with the Scottish Universities Physics Alliance, Department of Physics, University of Strathclyde. His main research interests include relativistic electron beams, CARMs (Cyclotron Autoresonance Masers), FELs (Free Electron Lasers), Gyro-TWA/BWOs (Gyrotron travelling wave amplifiers/backward-wave oscillators). He is a world-leading expert in gyro-TWA based on a helically corrugated interaction region (HCIR) and is co-inventor of this breakthrough technology in high frequency (up to Terahertz) wideband high power amplifiers.
报 告 人： Wenlong He, Senior Research Fellow, University of Strathclyde.
报告时间： 2014年11月12日（周三）下午2:00
报告地点：物理科技楼101
报告摘要：The Gyrotron travelling wave amplifiers are high power coherent microwave sources that excel at high frequencies (up to terahertz range) and have many applications including high resolution RADAR, plasma diagnostics, communications, medical imaging, security sensing and material analysis based on electron spin resonance and terahertz spectroscopy. Recent breakthrough in the research and development of the gyro-devices at University of Strathclyde has resulted in unprecedented operating frequency bandwidth. This is due to ideal dispersion properties existed in a helically corrugated interaction region (HCIR). The principle and frequency scalability of the gyro-devices using HCIRs are discussed. Demonstration and experimental results at 90-100GHz frequency will be presented as well. This technology has demonstrated its capability to meet the eager demand in magnetic resonances (MR) systems and MR is an absolutely indispensable key underpinning technology across almost all areas of physical science including physics, chemistry, biology and material science.
个人简介：Wenlong He received the B.Sc. degree in physics from Soochow University, Jiangsu, China, in 1983, the M.Sc. degree in accelerator physics from the China Academy of Engineering Physics, Chengdu, China, in 1988, and the Ph.D. degree in relativistic electron beams and masers from the Department of Physics, University of Strathclyde, Glasgow, U.K., in 1995. He is currently a Senior Research Fellow with the Scottish Universities Physics Alliance, Department of Physics, University of Strathclyde. His main research interests include relativistic electron beams, CARMs (Cyclotron Autoresonance Masers), FELs (Free Electron Lasers), Gyro-TWA/BWOs (Gyrotron travelling wave amplifiers/backward-wave oscillators). He is a world-leading expert in gyro-TWA based on a helically corrugated interaction region (HCIR) and is co-inventor of this breakthrough technology in high frequency (up to Terahertz) wideband high power amplifiers.