【电子与光学工程学院、微电子学院】Applications by Terahertz Pulses from ultrafast spin spectroscopy to terahertz beam imaging by the liquid crystal

报告题目：Applications by Terahertz Pulses from ultrafast spin spectroscopy to terahertz beam imaging by the liquid crystal（校庆76周年系列学术活动）

报告人： Prof. Makoto Nakajima

报告人单位：日本大阪大学

时间：2018年4月12日（周四）10:00

地点：电子与光学工程学院学科楼A-327

主办单位：电子与光学工程学院、微电子学院，科研院

报告内容：I will introduce recent results of our studies. First, the results that the ultrafast spin spectroscopy and control in magnetic materials using the terahertz magnetic field will be presented. Later, I will show the results of the terahertz devices based on the liquid crystal.

报告人简介：

Prof. Makoto Nakajima, Institute of Laser Engineering, Osaka University, Japan. 研究方向：太赫兹光源和检测器的开发，超高强度飞秒激光激发的强太赫兹辐射研究，太赫兹光谱的物性研究，超材料、液晶的太赫兹波响应研究等。代表作：（1）Measurement of beam profiles by terahertz sensor card with cholesteric liquid crystals, Opt. Lett. 40(19), 4456-4459 (2015). （2）Terahertz Time-Domain Observation of Spin Reorientation in Orthoferrite ErFeO3 through Magnetic Free Induction Decay, Physical Review Letters 110, 137204 (2013). （3）Mechanism of enhanced optical second-harmonic generation in the conducting pyrochlore-type Pb2Ir2O7-x, Physical Review Letters 110, 187402 (2013). （4）Hard magnetic ferrite with a gigantic coercivity and high frequency millimetre wave rotation, Nature Communications 3, 1035 (2012). （5）Coherent control of spin precession motion with impulsive magnetic fields of half-cycle terahertz radiation, Physical Review Letters 105, 237201 (2010).