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X-WR-CALNAME:Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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X-WR-CALDESC:Events for Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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TZID:Asia/Hong_Kong
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DTSTART:20230101T000000
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DTSTART;TZID=Asia/Hong_Kong:20240125T100000
DTEND;TZID=Asia/Hong_Kong:20240125T110000
DTSTAMP:20260513T064931
CREATED:20240117T065641Z
LAST-MODIFIED:20250114T074426Z
UID:17934-1706176800-1706180400@ece.hku.hk
SUMMARY:High-power GHz femtosecond fiber laser technologies and frontier applications
DESCRIPTION:Fiber lasers have been known as compact and robust laser sources. When operating in the femtosecond-pulse regime with high repetition rates (HRRs)\, particularly at a level of GHz\, they open new opportunities for industrial and scientific applications\, such as high-speed ablation-cooled material removal\, ultrafast measurement\, low-photodamage biophotonics\, etc. Among various schemes of generating HRR fs fiber laser\, fundamentally mode-locking in ultrashort Fabry-Pérot (FP) fiber cavities is a promising method for generating fs pulses at repetition rates of several-to-tens GHz. Despite these exciting opportunities\, further efforts are still required for improving the repetition rate\, average power\, pulse width\, wavelength range\, as well as the noise performance and long-term stability. In this talk\, I will present the latest progress on the high-power GHz femtosecond fiber lasers. In the meanwhile\, the application exploration in the fields of ultrafast measurement\, micro-machining and biological imaging will also be briefly discussed. \nBiography of the speaker: \nDr. Xiaoming Wei received his B.S. and M.S. degrees from South China University of Technology\, China\, in 2009 and 2012\, respectively\, and PhD degree from the University of Hong Kong in 2015. He received the postdoctoral training from both the University of Hong Kong (OCT\, 2015 – April\, 2017) and Caltech (May\, 2017 – Aug.\, 2019)\, then he joined the Department of Physics and Optoelectronics\, South China University of Technology. So far\, he has published more than 100 papers in peer-reviewed journals\, including Nature Communications\, Science Advances\, Light: Science & Applications\, Optics Letters\, etc\, and filed more than 50 patents in the field of ultrafast optics. His research interests include high-power femtosecond fiber lasers and their applications in the fields of ultrafast measurement\, micromachining and biophotonics.\n\nAll are welcome.
URL:https://ece.hku.hk/events/high-power-ghz-femtosecond-fiber-laser-technologies-and-frontier-applications/
CATEGORIES:Seminar
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