Hybrid laser 3D microprocessing in glass/polymer micromechanical sensor: towards chemical sensing applications

Titas Tičkūnas; Mangirdas Malinauskas; Roaldas Gadonas; Yves Bellouard; Domas Paipulas

doi:10.1117/12.2307533

22 May 2018 Hybrid laser 3D microprocessing in glass/polymer micromechanical sensor: towards chemical sensing applications

Titas Tičkūnas, Mangirdas Malinauskas, Roaldas Gadonas, Yves Bellouard, Domas Paipulas

Author Affiliations +

Proceedings Volume 10675, 3D Printed Optics and Additive Photonic Manufacturing; 106750C (2018) https://doi.org/10.1117/12.2307533
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

We demonstrate the fabrication of a 3D polymer/glass micromechanical sensor by combining two femtosecond laser direct writing processes: subtractive laser-assisted chemical etching combined with additive two-photon polymerization techniques. In the first step, the micromechanical sensor was fabricated from a single fused silica substrate by selective laser etching technique. The mechanical parameters of the glass are well-researched, thus it could be used to investigate unknown polymer mechanical properties through the concept of coupled-system. In the second step, we directly integrate polymeric beam via two-photon polymerization. This combination of additive and subtractive techniques allows investigation of reversible deformations of polymeric microstructures upon immersion in various solvents. Furthermore, we demonstrate that Young’s modulus of these laser fabricated structures could be altered by changing the writing laser exposure dose, also influenced by surrounding solvent.

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Citation Download Citation

Titas Tičkūnas, Mangirdas Malinauskas, Roaldas Gadonas, Yves Bellouard, and Domas Paipulas "Hybrid laser 3D microprocessing in glass/polymer micromechanical sensor: towards chemical sensing applications", Proc. SPIE 10675, 3D Printed Optics and Additive Photonic Manufacturing, 106750C (22 May 2018); https://doi.org/10.1117/12.2307533

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