Recent advances in two-photon 3D laser lithography with self-Q-switched Nd:YAG microchip lasers

High-resolution, high-speed 3D printing by two-photon polymerization (2PP) with a Nd:YVO 4 Q-switched microchip laser at its fundamental wavelength of 1064 nm is demonstrated. Polymerization scan speeds of up to 20 mm/s and feature sizes of 250 nm are achieved using a high repetition rate Q-switched microchip laser with a semiconductor saturable absorber mirror (SESAM) and photoresist with a new photo-initiator bearing 6dialkylaminobenzufuran as electron donor and indene-1,3-dione moiety as electron acceptor. The obtained results demonstrate the high potential of Q-switched microchip lasers for applications in 2PP 3D printing.

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Recent advances in two-photon 3D laser lithography with self-Q-switched Nd:YAG microchip lasers

Cited by 3 publications

References 13 publications

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