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24 April 2018 Laser-induced metal particle migration in glass
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Proceedings Volume 10712, Optical Manipulation Conference; 107120L (2018) https://doi.org/10.1117/12.2317472
Event: SPIE Structured Light, 2018, Yokohama, Japan
Abstract
We have reported that laser-induced metal particle migration in glass. Laser illumination heated a metal particle in glass. The surrounding glass of the metal particle was also heated and softened; hence, the metal particle migrated in the glass. The temperature gradient caused the driving force. The interfacial tension between the glass and the metal particle was varied by the temperature. The temperature nonuniformity caused the interfacial tension nonuniformity and metal particle migration. In this presentation, we demonstrated metal particle migration by the surface heating of the glass with a CO2 laser. Heating of glass surface moved metal particle located 200 μm below the surface. The particle was moved out of the glass after 400 s illumination. The migration speed was 0.3~0.7 μm/s.
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Hirofumi Hidai, Arata Sawafuji, Souta Matsusaka, Akira Chiba, and Noboru Morita "Laser-induced metal particle migration in glass", Proc. SPIE 10712, Optical Manipulation Conference, 107120L (24 April 2018); https://doi.org/10.1117/12.2317472
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