Certain embodiments of the invention provide a light sensor comprising at least one interferometric element that absorbs light in at least one wavelength. The interferometric element comprises a first surface and a second surface substantially parallel to the first surface. The second surface is spaced...http://www.google.de/patents/US20060066876?utm_source=gb-gplus-sharePatent US20060066876 - Method and system for sensing light using interferometric elements
