By means of highly focused ultrashort pulsed laser radiation in the femtosecond range, Fraunhofer ILT has technologies that can selectively modify transparent materials, such as glass, sapphire and other transparent ceramics. The multiphoton absorption processes required for this are only induced at high intensities so that the material is solely changed in the focus volume. Thanks to beam deflection with accuracies in the nanometer range, any 3D geometrical shape can thus be created layer by layer in the volume of the workpieces.
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Dipl.-Phys. Martin Reininghaus
Fraunhofer Institute for Laser Technology ILT
Phone +49 241 8906-627
Fax +49 241 8906-121