Real three-dimensional microstructures fabricated by photopolymerization of resins through two-photon absorption.
Effective energy windows for two-photon absorption (TPA) photopolymerization of resins were investigated and, with a properly selected laser pulse energy, exquisite three-dimensional (3D) microstructures with submicrometer spatial resolution were achieved. The results show the inherent utility of TPA in the fabrication of real 3D patterns. In particular, we propose and utilize a resin pre-exposure technique by which freely movable components affixed to an axle are built, demonstrating a new application of TPA in laser microfabrication.
Sun
H B
HB
Kawakami
T
T
Xu
Y
Y
Ye
J Y
JY
Matuso
S
S
Misawa
H
H
Miwa
M
M
Kaneko
R
R