Beam Delivery: M2, BPP, Spot Size & Why You Should Care

By Michael Scaggs A lasers spot size and therefore resulting M2 or beam parameter product can be a very difficult and confusing parameter to quantify.  The techniques to measure vary and often add to the difficulty and confusion.  At present there is only one standard that defines the approach to measure a laser’s M2 value […]

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Energy, Cost and Throughput Efficient Processing of Solar Cells with Tailored Lasers

By: Alexander Schell and Keming Du EdgeWave GmbH, Germany In order to reduce production costs and to increase throughput, great efforts have been put to explore efficient processing in full-automated manufacturing lines. Because of non-contact processing and high flexibility the use of lasers in photovoltaic production has grown in popularity, for example laser fired contact, drilling […]

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