Imagers, pixels, and methods of using the same are disclosed for imaging in various spectra, such as visible, near infrared (IR), and short wavelength IR (SWIR). The imager may have an imaging array having pixels of different types. The different types of pixels may detect different ranges of wavelengths...http://www.google.de/patents/US8084739?utm_source=gb-gplus-sharePatent US8084739 - Imaging apparatus and methods
