Teijido, J.M.Herzig, H. P.Dändliker, R.Grupp, J.2009-04-222009-04-222009-04-22199610.1117/12.262413https://infoscience.epfl.ch/handle/20.500.14299/37681Illumination light pipe using micro-optics as diffusertext::conference output::conference proceedings::conference paper