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9 March 2020 On the use of femtosecond laser for tuning materials properties (Conference Presentation)
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Over the last decades, the use of non-linear absorption phenomena triggered by ultrafast laser exposure in dielectrics has been widely explored, essentially with the aim of fabricating elements for integrated optics - such as waveguides and gratings, or for fabricating three-dimensional parts - such as fluidics channels and structural elements. Here we will discuss how this peculiar laser-matter interaction also provides a means for tailoring a variety of physical properties in materials, including heat conductivity, thermal expansion, Young modulus and stress state surrounding laser-affected zones. The ability to tune physical properties of dielectrics in three dimensions not only opens up interesting perspectives for sophisticated functional devices, but also a means to elucidate key mechanisms of ultrafast non-ablative laser-matter interactions.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yves Bellouard "On the use of femtosecond laser for tuning materials properties (Conference Presentation)", Proc. SPIE 11267, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXV, 112670A (9 March 2020);

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