1. Introduction to Non-Imaging Optics;Chaves,2008
2. Nonimaging Optics;Winston,2005
3. Phase space transformations – a different way to understand free-form optical systems;Rausch,2013
4. Phase space optics: an alternate approach to freeform optical systems;Herkommer;Opt. Eng.,2014
5. Geometric Optics on Phase Space;Wolf,2004