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IEEE Spectrum

Researchers adapt glass-blowing techniques to 3D printing

IEEE Spectrum
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Researchers at the University of Notre Dame in Indiana are working to adapt artisan glass-blowing techniques to a robotic platform.

They used a laser and a computer-controlled stage to create transparent solid structures needed in optical, microfluidic, and photonic devices.

The goal is to capture the geometric freedom of the handblown glass approach with the precision of modern 3D printing.

The team has also demonstrated their ability to create optical waveguides.

“We believe there are applications such as lightweight, high strength lattices, that would benefit from glasses properties but would be very challenging to produce by an artisan,” says Kinzel .

To create photonic circuits, fibers must be coupled together such that evanescent waves from one fiber core can be coupled into another.