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Thickness Nonuniformity (NU): how to manage this uninvited guest

Previous Webinars have elicited several questions on this topic. First the sources of NU will be described. Then we’ll go through the menu of techniques to defeat this unwanted phenomenon: 1) small spot size by use of smaller optical fibers, SLED technology, and/or a microscope; 2) explicit modeling of the film NU; and 3) wavelength selection.

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