Preprint Article Version 1 This version is not peer-reviewed

Three-Dimensional Laser Printing of Macro-Scale Glass Objects at a Micro-Scale Resolution

Version 1 : Received: 28 July 2019 / Approved: 29 July 2019 / Online: 29 July 2019 (11:51:49 CEST)

How to cite: Wang, P.; Chu, W.; Li, W.; Tan, Y.; Liu, F.; Wang, M.; Qi, J.; Lin, J.; Zhang, F.; Wang, Z.; Cheng, Y. Three-Dimensional Laser Printing of Macro-Scale Glass Objects at a Micro-Scale Resolution. Preprints 2019, 2019070337 (doi: 10.20944/preprints201907.0337.v1). Wang, P.; Chu, W.; Li, W.; Tan, Y.; Liu, F.; Wang, M.; Qi, J.; Lin, J.; Zhang, F.; Wang, Z.; Cheng, Y. Three-Dimensional Laser Printing of Macro-Scale Glass Objects at a Micro-Scale Resolution. Preprints 2019, 2019070337 (doi: 10.20944/preprints201907.0337.v1).

Abstract

Three-dimensional (3D) printing has allowed for production of geometrically complex 3D objects with extreme flexibility, which is currently undergoing rapid expansions in terms of materials, functionalities, as well as areas of application. When attempting to print 3D microstructures in glass, femtosecond laser induced chemical etching (FLICE) – which is a subtractive 3D printing technique – has proved itself a powerful approach. Here, we demonstrate fabrication of macro-scale 3D glass objects of large heights up to ~3.8 cm with an identical lateral and longitudinal spatial resolution of ~20 μm. The remarkable accomplishment is achieved by revealing an unexplored regime in the interaction of ultrafast laser pulses with fused silica which results in aberration-free focusing of the laser pulses deeply inside fused silica.

Subject Areas

ultrafast laser microfabrication; 3D glass printing; light field manipulation

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