报告题目:Applications by Terahertz Pulses from ultrafast spin spectroscopy to terahertz beam imaging by the liquid crystal
时间: 2018年04月12日(周四) 10:00-10:30 am
地点: 电子与光学工程学院学科楼A-327
报告人:
主办单位:电子与光学工程学院、微电子学院
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).
报告摘要:
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.