Multi-photon absorption enhancement by dual-wavelength double-pulse laser irradiation for efficient dicing of sapphire wafers

Abstract The evidence of multi-photon absorption enhancement by the dual-wavelength double-pulse laser irradiation in transparent sapphire was demonstrated experimentally and explained theoretically for the first time. Two collinearly combined laser beams with the wavelengths of 1064 nm and 355 nm,...

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Autores principales: Mindaugas Gedvilas, Justinas Mikšys, Jonas Berzinš, Valdemar Stankevič, Gediminas Račiukaitis
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/078b28d5921a409cbcf6906fcd30c373
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