One-step femtosecond laser writing is used to make nanoporous capillaries inside fused silica. Laser-induced dye fluorescence shows penetration over millimeters. Fluid flow can be controlled through the porosity dependence on the laser writing parameters.
© 2006 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3390) Lasers and laser optics : Laser materials processing
(320.0320) Ultrafast optics : Ultrafast optics
(320.7120) Ultrafast optics : Ultrafast phenomena
C. Hnatovsky, E. Simova, R. S. Taylor, R. Pattathil, R. Bhardwaj, D. M. Rayner, and P. B. Corkum, "Direct Writing of Nanoporous Capillaries Inside Fused Silica Using a Focused Femtosecond Laser Beam," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMHH4.
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