Artificial light generated by LASER always fascinated me. At university, I studied quantum dot semiconductor lasers and later at my first job, I used the effect of coherence to build a data storage device based on holography. Over many years I headed a development group for high power line generating laser products, which were used e.g. for plastic welding or improvement of functional surfaces. Lastly, I joined a telecommunication service supplier, where we use laser light as communication medium for everyone.
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