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Silicon-photonics-enabled chip-based 3D printer
Sabrina Corsetti1, Milica Notaros1, Tal Sneh1
1Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
Light, Science & Applications
|June 5, 2024
Summary
Researchers developed the first chip-based 3D printer, eliminating bulky mechanics for faster, portable 3D printing. This photonic chip system uses light holograms to create objects, paving the way for next-generation 3D fabrication.
Area of Science:
- Photonics and advanced material science.
- Integration of silicon photonics with photochemistry for novel fabrication.
Background:
- Current 3D printing relies on slow, bulky mechanical systems.
- Photocuring 3D printers, while advanced, still use complex mechanics.
- Existing methods limit speed, resolution, portability, and material complexity.
Purpose of the Study:
- To propose and demonstrate the first chip-based 3D printer.
- To overcome the limitations of mechanical systems in 3D printing.
- To enable non-mechanical, compact, and portable 3D fabrication.
Main Methods:
- Combining silicon photonics and photochemistry.
- Developing a millimeter-scale photonic chip without moving parts.
- Utilizing reconfigurable visible-light holograms emitted from the chip.
- Demonstrating a proof-of-concept using an optical phased array and curable resin.
Main Results:
- Successful demonstration of 3D printing using a chip-based system.
- First experimental validation of non-mechanical 3D printing via chip-based holograms.
- Achieved 3D printing with a single, millimeter-scale photonic chip.
Conclusions:
- This work represents the first step towards highly compact, portable, and low-cost 3D printers.
- The chip-based approach enables a new paradigm in 3D fabrication.
- Future 3D printers could be significantly smaller, faster, and more versatile.
