DataVXAdvanced Materials TechnologiesPaper
journal article·2018-05

Centimeter‐Height 3D Printing with Femtosecond Laser Two‐Photon Polymerization

Wei Chu, Yuanxin Tan, Peng Wang, Jian Xu, Wenbo Li, Jia Qi, Ya Cheng

Advanced Materials Technologies· Volume 3· Issue 5
Publisher page
Source abstract

Abstract

Abstract Nowadays 3D printing has been widely used for producing geometrically complex 3D structures from a broad range of materials such as ceramics, metals, polymers and semiconductors. Although it has been demonstrated that a fabrication resolution as high as ≈100 nm can be achieved in 3D printing based on two‐photon polymerization (TPP), the end product height of TPP is typically on millimeter scale limited by the short working distance of high‐numerical‐aperture focal lens. Herein, a method based on simultaneous spatiotemporal focusing of the femtosecond laser pulses is presented, which enables fabricating centimeter‐height 3D structures of fine features with TPP. An isotropic spatial resolution is also demonstrated, which can be continuously tuned in the range of ≈10–40 µm by only varying the power of femtosecond laser, making this technique extremely flexible and easy to implement. Several Chinese guardian lions of a maximum height of 0.6 cm and a Terra Cotta Warrior of a height of 1.3 cm are fabricated using this method.
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Research context

PolymersCeramics & glassesElectronic materialsMaterials processing

OpenAlex topics: Nonlinear Optical Materials Studies · Laser Material Processing Techniques · Nanofabrication and Lithography Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China

School of Physics Science and Engineering Tongji University Shanghai 200092 China

State Key Laboratory of Precision Spectroscopy School of Physics and Materials Science East China Normal University Shanghai 200062 China

Collaborative Innovation Center of Extreme Optics Shanxi University Taiyuan Shanxi 030006 China

XXL – The Extreme Optoelectromechanics Laboratory School of Physics and Materials Science East China Normal University Shanghai 200241 China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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