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SUMMARY:Femtosecond laser processing of dielectrics
DTSTART:20140605T140000
DTSTAMP:20260929T042807Z
UID:61f60450cfe7614d0a8fa244a1deb1ec9d70459833e774f928c70670
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Yves Bellouard\, Eindhoven University of Technology\, Ho
 lland\nA micro-manufacturing platform for single-material multifunctional 
 microsystems\nUltrafast lasers are characterized by ultra-high peak power 
 pulses (Gigawatt/mm2 or even Terawatt/mm2 with table-top\, commercial syst
 ems) leading to a radically different laser-matter interaction than conven
 tional lasers: in particular\, non-linear absorption phenomenon like multi
 -photons processes are observed opening new and exciting opportunities to 
 tailor the matter in its intimate structure with spatial resolution smalle
 r than the laser wavelength itself and noticeably\, in three dimensions.\n
 The first part of this talk will discuss the effect of low-energy pulses e
 mitted by these lasers on silica glass from the viewpoint of structural an
 d physical properties modifications. The second part will show how these l
 aser-induced modifications can be used to manufacture novel types of micro
 -devices that integrate multiple functionalities in a single monolith. As 
 an illustration\, we will present various microsystems that perform opto- 
 fluidics and opto- mechanical functions as well as examples of three dimen
 sional flexures.\nBio: Dr. Yves Bellouard is Associate Professor in Micro-
 /Nano- Scale Engineering at the Mechanical Engineering Department of Eindh
 oven University of Technology in the Netherlands. He received a BS in Theo
 retical Physics and a MS in Applied Physics from Université Pierre et Mar
 ie Curie in Paris\, France and a PhD from the Swiss Federal Institute of T
 echnology (EPFL) in Lausanne\, Switzerland in 2000. Before joining Eindhov
 en University of Technology in May 2005\, he was Research Scientist at Ren
 sselaer Polytechnic Institute (RPI) in Troy\, New York for about four year
 s where he started working on femtosecond laser processing of glass materi
 als. Recently\, he received an ERC Starting Grant and a JSPS Fellowship fr
 om the Japan Society for the Promotion of Science.\nHis current research i
 nterests are on new paradigm for system integration at the micro/nano- sca
 le\, in particular laser-based methods to tailor material properties for a
 chieving higher level of functional integration in micro-devices.
LOCATION:MEB331 http://plan.epfl.ch/?lang=fr&room=ME+B3+31
STATUS:CONFIRMED
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