Objective
Diffractive optical elements are the key technology for Augmented and Virtual Reality (AR & VR) displays. They are typically fabricated using nanoimprint lithography and reactive ion etching, which do not allow for reconfiguration of the structures. We present a novel solution for fabrication of diffractive optical elements using feedback-controlled, light-induced sub-micrometre scale surface shaping of azobenzene-containing films. The method allows for facile creation of complex surface relief patterns with continuously varying heights and reconfigurable patterns, which are difficult to create using conventional lithography tools.
Programme(s)
- HORIZON.1.1 - European Research Council (ERC) Main Programme
Funding Scheme
HORIZON-ERC-POC - HORIZON ERC Proof of Concept GrantsHost institution
33100 Tampere
Finland