Biological photosensors

• The Visual pathway, the Retina, and Photoreceptors 
  • Silicon photosensors 
  • Radiometry and photometry 
  • Photoelectric effect 
  • Absorption of light by silicon 
  • Photodetectors: PN junction 
  • Quantum efficiency and spectral response 
  • Dark current 
  • Estimating actual photocurrent from scene illumination 
• Your 3T smartphone pixel with pinned photodiode and correlated double sampling
• Logarithmic photoreceptors (exercise) 
  • Comparing source-follower and transimpedance log photoreceptors 
  • DC response 
  • Transient large signal response 
  • AC small signal analysis