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Laser Fabrication of Holograms on Carbon Fiber  Reinforced Polymers

Laser Fabrication of Holograms on Carbon Fiber Reinforced Polymers

The University of Patras, in collaboration with SISMA, has presented a new research work at the Conference on Lasers and Electro-Optics (CLEO) 2022. In this work, holographic optical elements (HOE) are fabricated on the surface of mirror-polished Carbon Fiber...

DYNAMIC FOCUS SHIFTER (DFS)

DYNAMIC FOCUS SHIFTER (DFS)

DYNAMIC FOCUS SHIFTER (DFS) The secret ingredient of how laser markers work on non-planar surfaces.The Dynamic Focus Shifter bases its functionality on the presence of a third optical axis which, by moving the lens within the optical path, varies the size...

MAPA & TSE: a 3D approach combining LMF and DLP technology

MAPA & TSE: a 3D approach combining LMF and DLP technology

Introduction Skeletal anchorage open up new frontiers in orthodontic treatments and allow the development of procedures for more and more predictable and satisfactory results in the treatment of malocclusion in growing patients and adults. Recent digital...

3D Printing for Eyewear

3D Printing for Eyewear

Additive manufacturing technologies will shape the future of fashion and eyewear manufacturing enabling faster prototyping and short scale production of customized goods.   In Sisma we developed 3d printing technologies for powder metal and uv cured...

Anti Counterfeit features for luxury goods

Anti Counterfeit features for luxury goods

Anti Counterfeit features for luxury goodsCounterfeit fashion products are costing in terms of brand reputation and revenues: laser marking technology could be the answer.The Italian Patents and Trademark Office estimates that in the eyewear industry...