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11月11号外宾报告

来源： 发布时间：2011-11-08【字体：大 中 小】

题目：Long wavelength few-cycle sources, extreme nonlinear optics and attoscience

姓名：Prof. Dr. Jens Biegert

单位：ICFO – The Institute of Photonic Sciences, Spain

时间：2011年11月11日（周五）上午 10:15

地点：缘源溢智厅

 

报告摘要：

The talk will highlight some of our activities in the development of long wavelength light sources and applications to nonlinear optics and strong field physics. Strong field and attosecond physics benefit from long wavelength drivers in numerous ways: Photoionization studies can be carried out unambiguously in the tunneling regime, generation of femtosecond duration keV radiation is in reach for x-ray imaging, and recollision imaging would have sufficiently high resolution due to the kinetic energy of the returning electron. With such prospects in mind, the challenging task is to generate intense light pulses beyond the near-IR at sufficient high average power with few-cycle duration and ideally electric waveform repeatability. We have, over the last years, developed such sources of intense light at 2 and 3 micron center wavelength which are carrier-to-envelope phase stable, pulse durations are in the few-cycle regime, and repetition rates in the kHz to hundreds of kHz. The presentation will highlight some source developments, detail issues in pulse measurement and examples will be given from first applications in generation of multi-octave supercontinua, to ionization dynamics in molecules with a reaction microscope, and attosecond pulse generation.

 

欢迎大家参加！

 

所办公室

2011年11月8日

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