3D Printing of Conductive CNT-polymer Composite

By: Ying Liu, Wei Xiong, Lijia Jiang, Yunshen Zhou, Yongfeng Lu Advanced three-dimensional (3D) micro/nanofabrication of functional devices represents a key research topic in modern nanoscience and technology and is critically important to numerous scientific and industrial applications. Among various existing 3D micro/nanofabrication methods, two-photon polymerization (TPP) based on laser direct writing is regarded as […]

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High Speed Creation of Antireflective Nano Periodic Surfaces via Picosecond Laser Surface Treatment

By: Yung Shin With the growing need for renewable energy sources, there is an increasing demand for cheap and high-efficiency solar cells. Although high-efficiency silicon solar cells with overall efficiencies higher than 25% [1] have been fabricated in laboratories, the high cost involved in manufacturing these high-efficiency devices makes their commercial use not yet practical. […]

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LIA Presents Professor Reinhart Poprawe with Peter M. Baker Leadership Award

Laser Institute of America presented Professor Reinhart Poprawe, managing director of Fraunhofer Institute for Laser Technology (ILT), the Peter M. Baker Leadership Award during this year’s International Congress on Applications of Lasers & Electro-Optics (ICALEO®) in Atlanta, Georgia, Oct. 22-26. The award acknowledges individuals who demonstrate outstanding leadership in an organization while significantly benefiting the […]

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Polishing and Structuring of Metals with Fiber Lasers

By: Christophe Arnaud, Charly Loumena, Rainer Kling Surface preparation can have different properties for a large field of applications in very different industries. Polishing a surface can avoid unsightly defects on mold parts, or can provide very smooth surfaces for finished products. Since actual ablation processes are time-consuming, can create dust and at times involve […]

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Ultra-high-speed Laser Material Deposition for Internal Surfaces

By: Thomas Schopphoven, Fraunhofer Institute for Laser Technology ILT Coatings for Wear and Corrosion Protection When the integrity of a component is affected by the operational conditions, it may become necessary to additionally protect the material against this detrimental environment. Since most material damage processes, especially wear and corrosion, emanate from the surface or near […]

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