An analog controlled angle diffuser and associated methods provide a wavelength insensitive diffuser with a controlled output. The diffuser has free formed shaped analog fringes, i.e., fringes which have a continuous cross-section from their peak to their termination. Preferably, the depth of the analog...http://www.google.com.au/patents/US6392808?utm_source=gb-gplus-sharePatent US6392808 - Broad band controlled angle analog diffuser and associated methods
