Microchannels Direct Machining using the Femtosecond Smooth Ablation Method | Zendy

Leandro Matiolli Machado | Zendy; Ricardo Elgul Samad | Zendy; Anderson Zanardi de Freitas | Zendy; Nilson Dias Vieira | Zendy; Wagner de Rossi | Zendy

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Microchannels Direct Machining using the Femtosecond Smooth Ablation Method

Author(s) -

Leandro Matiolli Machado,

Ricardo Elgul Samad,

Anderson Zanardi de Freitas,

Nilson Dias Vieira,

Wagner de Rossi

Publication year - 2011

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2011.03.107

Subject(s) - materials science , femtosecond , ablation , machining , optics , refractive index , micrometer , square (algebra) , optoelectronics , laser , physics , geometry , mathematics , aerospace engineering , metallurgy , engineering

Damage threshold and ablation rate measurements were performed on Bk7 glass for femtosecond single and multipulses. The incubation parameter was found and used to develop a new strategy for machining microchannels in Bk7. Optical Coherent Tomography - OCT measurements showed that this ablation process can be effective in obtaining deep, well defined square cross section microchannels with no cracks or resolidified material. It was also verified that OCT can be useful in detecting small index refraction changes induced to the surround of the machined area

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