... you'll need a metal coated mirror with better quality than needed for CO2-lasers (the wavelength is around 10x shorter than with CO2) ... or a dielectric surface for the specific wavelenght of the diode ...
Viktor
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Aufruf zum Projekt "Müll-freie Meere" - [reprap.org] -- Deutsche Facebook-Gruppe - [www.facebook.com]
Call for the project "garbage-free seas" - [reprap.org]