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A new method for 3D imaging based on low one-photon absorption is theoretically and experimentally demonstrated. As compared to the two-photon-absorption (TPA) technique, this method is suitable using a continuous laser or an incoherent light.
We demonstrate successfully the fabrication of desired sub-micrometric structures on demand by using the low one-photon absorption direct laser writing technique. This technique presents great advantages, because 3D structures can be achievable with a simple continuous laser.
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