Monday, 11 October 2004 - 3:30 PM

This presentation is part of : Femtosecond Laser Micro/nano-machining I

Femtosecond laser-assisted microstructuring of silicon surfaces for novel detector, sensing, and display technologies (invited talk)

Eric Mazur, James Carey, Brian Tull, and Eric Diebold. Harvard University, Pierce Hall 233, 29 Oxford Street, Cambridge, MA 02138-2901

Irridiating silicon surfaces with trains of ultrashort laser pulses in the presence of a sulfur containing gas drastically changes the structure and properties of silicon. The normally smooth and highly reflective surface develops a forest of sharp microscopic spikes. The microstructured surface is highly absorbing even at wavelengths beyond the bandgap of silicon and has many interesting novel applications.

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