Optics and Precision Engineering, Volume. 25, Issue 9, 2277(2017)

Femtosecond laser holograpic fabrication of hydrogel cell scaffold

PAN Deng... LI Jia-wen, YANG Liang, HU Yan-lei, WU Dong, HUANG Wen-hao and CHU Jia-ru |Show fewer author(s)
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    In order to achieve rapid fabrication of hydrogel cell scaffolds, the computer-aided holographic method was employed into the traditional femtosecond laser two-photon processing. The generation of hologram as well as the influence of its parameters on the processed cylinder microstructure was studied. Firstly, Ring-shaped Bessel-beam holograms were generated according to the Bessel light wave equation and its transmission function, of which the parameters effect on the size and quality of ring structure was analyzed. Then the generated holograms were used to process tubes with a thickness of 0.8 μm and diameters from 8 μm to 15 μm in the polyethylene glycol double acrylate (PEGDA) hydrogel. Finally, an efficient and rapid processing of hydrogel cell scaffolds was realized experimentally and the diameter of hydrogel tubes was 8 μm. This technique can remarkably improve the efficiency of femtosecond laser processing, thus has great potential in many applications such as biological culture and chemical analyses.

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    PAN Deng, LI Jia-wen, YANG Liang, HU Yan-lei, WU Dong, HUANG Wen-hao, CHU Jia-ru. Femtosecond laser holograpic fabrication of hydrogel cell scaffold[J]. Optics and Precision Engineering, 2017, 25(9): 2277

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    Paper Information

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    Received: Jun. 5, 2017

    Accepted: --

    Published Online: Oct. 30, 2017

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    DOI:10.3788/ope.20172509.2277

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