Microtubes with Complex Cross Section Fabricated by C-Shaped Bessel Laser Beam for Mimicking Stomata That Opens and Closes Rapidly

ACS Applied Materials & Interfaces
Deng PanJiaru Chu

Abstract

This article presents a new method for fabricating complex cross-sectional microtubes with a high aspect ratio at micro/nanoscale. The microtubes are directly written in a photoresist using a femtosecond pulsed laser combined with a spatial light modulator (SLM). A new method for generating a C-shaped Bessel beam by modifying the Bessel beams with a SLM is reported for the first time. Using this gap-ring-shaped light field, microtubes with special cross section (trefoil-shaped, clover-shaped, spiral, etc.) have been first achieved through two-photo polymerization rapidly. The microtube wall can reach about 800 nm and the diameter of the gap-ring structure is only a few micrometers. As a demonstration, artificial stomata were manufactured with the same size as actual plants stomata consisting of gap-ring microtubes. This artificial stomata can mimic the function of the real stomata with rapid opening and closing, demonstrating its ability to trap and release microparticles regulated by rinse solvent.

References

Sep 12, 2008·Nature·Tobias D Wheeler, Abraham D Stroock
Jul 14, 2011·Journal of the American Chemical Society·Wei GaoJoseph Wang
Jan 17, 2012·Applied Physics Letters·Youngki ChoeEun Sok Kim
May 9, 2012·Journal of Applied Biomaterials & Functional Materials·Manuela T RaimondiRoberto Osellame
Mar 1, 1971·Planta·O L LangeL Kappen
Jul 1, 2014·Optics Letters·V V KotlyarV A Soifer
Nov 18, 2014·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·V V KotlyarV A Soifer
Dec 9, 2014·Lab on a Chip·S Sánchez
Jan 24, 2015·Developmental Dynamics : an Official Publication of the American Association of Anatomists·S J Paulsen, J S Miller
Jun 4, 2015·Proceedings of the National Academy of Sciences of the United States of America·Yanlei HuMin Gu
Jul 12, 2016·ACS Applied Materials & Interfaces·Ankit GargavaSrinivasa R Raghavan
Dec 20, 2016·Scientific Reports·Younggeun ParkLuke P Lee
Aug 5, 2017·Materials·Linas JonušauskasMangirdas Malinauskas
Aug 12, 2016·Light, Science & Applications·Mangirdas MalinauskasSaulius Juodkazis

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