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EUV And the State of Lithography
High-End Optical Lithography, what’s it all about EUV lithography feels like science fiction made real: mirrors with atom-level smoothness, light generated from tin plasma, and machines that cost more than a fleet of private jets — all to etch nanometer wide features onto silicon. And yet, for all its technical audacity, EUV is still a…
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Distortion Mapping – An SVD HowTo
In this tech-talk, I would like to discuss how (and probably how not to) develop an optical distortion correction. It is a common optical problem, and one that actually can be compensated using an algorithm because, even if the image is distorted, it can still be free from wavefront aberrations. I guess the title spills…
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HowTo: Spatial Light Modulators
About This Tech-Talk Spatial light modulators (SLMs) are active optical components that can alter a light beam’s amplitude, phase, or polarization. For this tech-talk, I’ll focus on a specific subset: those that achieve this using a pixelated, two-dimensional array. While this doesn’t cover all types of SLMs, it’s a sufficiently large and interesting category to…
