Enabling high-precision nonlinear three-dimensional photoprocessing of premeditated designs on a conventional multiphoton imaging system

Karl E. Garsha

doi:10.1117/12.528271

21 June 2004 Enabling high-precision nonlinear three-dimensional photoprocessing of premeditated designs on a conventional multiphoton imaging system

Karl E. Garsha

Author Affiliations +

Proceedings Volume 5323, Multiphoton Microscopy in the Biomedical Sciences IV; (2004) https://doi.org/10.1117/12.528271
Event: Biomedical Optics 2004, 2004, San Jose, CA, United States

Abstract

There is an increasing amount of interest in functionalized microstructural, microphotonic and microelectromechanical systems (MEMS) for use in biological applications. By scanning a tightly focused ultra-short pulsed laser beam inside a wide variety of commercially available polymer systems, the flexibility of the multiphoton microscope can be extended to include routine manufacturing of micro-devices with feature sizes well below the diffraction limit. Compared with lithography, two-photon polymerization has the unique ability to additively realize designs with high resolution in three dimensions; this permits the construction of cross-linked components and structures with hollow cavities. In light of the increasing availability of multiphoton imaging systems at research facilities, femtosecond laser manufacturing becomes particularly attractive in that the modality provides a readily accessible, rapid and high-accuracy 3-D processing capability to biological investigators interested in culture scaffolds and biomimetic tissue engineering, bio-MEMS, biomicrophotonics and microfluidics applications. This manuscript overviews recent efforts towards to enabling user accessible 3-D micro-manufacturing capabilities on a conventional proprietary-based imaging system. Software which permits the off-line design of microstructures and leverages the extensibility of proprietary LCSM image acquisition software to realize designs is introduced. The requirements for multiphoton photo-disruption (ablation) are in some ways analogous to those for multiphoton polymerization. Hence, “beam-steering” also facilitates precision photo-disruption of biological tissues with 3-D resolution, and applications involving tissue microdissection and intracellular microsurgery or three-dimensionally resolved fluorescence recovery after photobleaching (FRAP) studies can benefit from this work as well.

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Karl E. Garsha "Enabling high-precision nonlinear three-dimensional photoprocessing of premeditated designs on a conventional multiphoton imaging system", Proc. SPIE 5323, Multiphoton Microscopy in the Biomedical Sciences IV, (21 June 2004); https://doi.org/10.1117/12.528271

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