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Related Experiment Video

Updated: Apr 30, 2026

Production of a Strain-Measuring Device with an Improved 3D Printer

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

3D Printing Customized Optical Lens in Minutes.

Guangbin Shao¹, Rihan Hai², Cheng Sun²

¹Department of Mechanical Engineering Northwestern University, Evanston, IL 60208, USA; School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, P. R. China.

Advanced Optical Materials

|December 27, 2024

Summary

This summary is machine-generated.

Rapid 3D printing of optical lenses now utilizes microcontinuous liquid interface production for faster fabrication. This new method overcomes previous speed limitations, enabling quick production of high-resolution custom optical components.

Keywords:

3D printing optical lens ultrahigh speed μCLIP

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Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Area of Science:

Additive Manufacturing
Optical Engineering
Materials Science

Background:

Previous projection microstereolithography (PμSL) enabled rapid 3D printing of optical lenses but was limited by time-consuming resin recoating steps.
The microcontinuous liquid interface production (CLIP) process was explored to eliminate recoating, but Teflon membranes caused surface roughness issues.

Purpose of the Study:

To enhance the speed and accuracy of 3D printing optical components.
To develop a faster, high-resolution 3D printing method for optical lenses by addressing surface smoothness challenges.

Main Methods:

Implemented the microcontinuous liquid interface production (CLIP) process to eliminate resin recoating.
Utilized a polydimethylsiloxane (PDMS) thin film with nanoscopic porosities as a substitute for Teflon membranes to improve surface smoothness.
Demonstrated 3D printing of a 3 mm high aspherical lens.

Main Results:

Achieved a printing speed of 4.85 × 10^3 mm^3 h^-1, a 200-fold improvement over previous methods.
Reduced surface roughness to 13.7 nm using the PDMS membrane.
Successfully printed a 3 mm aspherical lens in approximately 2 minutes with an imaging resolution of 3.10 μm.

Conclusions:

The developed method significantly improves the speed-accuracy trade-off in 3D printing optical components.
This advancement enables the rapid fabrication of customized, high-resolution optical lenses.
The use of PDMS membranes in CLIP offers a viable solution for achieving smooth surfaces in high-speed 3D printing.