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K: Fachverband Kurzzeit- und angewandte Laserphysik

K 6: Laser Applications I

K 6.2: Vortrag

Mittwoch, 20. März 2019, 11:20–11:40, HS 3

Three-dimensional direct laser written achromatic axicons and multi-component microlenses with multiple materials — •Michael Schmid¹, Simon Thiele², Alois Herkommer², and Harald Giessen¹ — ¹4th Physics Institute, University of Stuttgart — ²Institute of Applied Optics, University of Stuttgart

Femtosecond 3D printing is an important technology for manufacturing of nano- and microscopic optical devices and elements. In the past, most structures have been created using only one photoresist at a time limiting performance and possible applications. We successfully combine two different photoresists (IP-S and IP-Dip) to realize multi-component three-dimensional direct laser written optics. Combining IP-S and IP-Dip we can correct chromatic aberrations and realize an achromatic axicon. In a second step we create the first three-dimensional direct laser written Fraunhofer doublet. We also characterize their optical properties and show the reduction of chromatic aberrations, proving the possibility and benefit of three-dimensional direct laser written multi-material and multi-component structures for micro-optics.