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中国科学院上海光学精密机械研究所(简称:上海光机所)是我国建立最早、规模最大的激光专业研究所,成立于1964年,现已发展成为以探索现代光学重大基础及应用基础前沿研究、发展大型激光工程技术并开拓激光与光电子高技术应用为重点的综合性研究所。重...
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题目:Femtosecond laser microfabrication for sensing applications
单位:Memorial University of Newfoundland, Canada
姓名:Qiying Chen(Canada Research Chair in Photonics)
时间:2011年11月25日(周五)下午1:30
地点:2号楼302会议室
欢迎大家参加!
所办公室
2011年11月22日
附:学术报告和报告者简介
Abstract:
This talk reports some of the research progress achieved in my group over the past twelve months, which is on the femtosecond laser microfabrication for sensing applications, in particularly, environmental parameter monitoring and biomedical diagnostics. The laser microfabrication has been done in fused silica, which is in the forms of optical fiber or planar glass substrate. Together with a fiber taper, an ultrafast laser irradiated spot with the induced refractive index change in the fiber core has been demonstrated to form fiber interferometer for sensing different environmental parameters, including temperature, axial strain, and refractive index. On the other hand, femtosecond laser microfabrication on the surface and in the bulk of fused silica to form opto-microfluidic devices has been realized with the analysis on the influence of various fabrication parameters. Fabrication of surface/bulk microchannels and waveguides with variable specifications has been accomplished by femtosecond laser microfabrication assisted by chemical etching. The prototype opto-microfluidic devices and systems provide possibilities to achieve real-time optical measurement, chemical analysis, and biomedical diagnostics.
Biography:
Dr. Qiying Chen is a Canada Research Chair in Photonics and an associate professor in the Department of Physics and Physical Oceanography at the Memorial University of Newfoundland. He received B.Sc. degree in Applied Physics from Shanghai Jiao Tong University in 1989, M.Sc. and Ph.D. degrees in optics from Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences in 1992 and 1996, respectively. His Ph.D. thesis on phthalocyanine thin films and their associated optical data storage devices was completed under the supervision of Prof. Fuxi Gan. Dr. Chen received Daheng Excellence Award in Optics in 1993 and Exceptional Award in Optics in 1995 from Chinese Academy of Sciences. He was ranked #3 as the recipient of the President Exceptional Award from the Chinese Academy of Sciences in 1996. He worked in Japan from 1996 to 2000, first as a lecturer in the Faculty of Engineering, Kyoto University and then as a STA and NEDO researcher in the National Institute for Advanced Interdisciplinary Research in Tsukuba. He was a postdoctoral researcher in the Department of Electrical and Computer Engineering at the University of Toronto from 2000 to 2002. He worked as a research associate in the National Research Council of Canada before joining Memorial University in 2004 as the Canada Research Chair. He established Ultrafast Nano-Photonics Laboratory and Laser Applications Laboratory at Memorial University and has been supervising his research group to performance research on ultrafast nano-photonics and the relevant interdisciplinary research.
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