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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
PubMed
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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.

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  • 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.