Abstract | Introduction | Methods | Results | Conclusions | References | Appendix |

Curved Focal Plane Arrays

Abstract

As cameras increasingly shrink in size for integration into cellphones and other small electronics the lens systems becomes increasingly complex. A solution to reduce lens system complexity is to use a curved focal plane array (CFPA) as opposed to the planar focal plane array. The CFPA has many advantages including : Field curvature, less fall-off in relative illumination, improved point spread function (PSF). In this project I have analyzed the advantages of the CFPA as compared to the planar FPA using software Zemax and ISET.

Tracy H. Fung, Stanford University
Psych221 Winter 2008, Prof. Brian Wandell
Mentor: Dr. Peter Catrysse

Content

  1. Introduction
  2. Methods
      Software
    • Zemax
    • ISET
      Lenses
    • Plano Convex (PCX)
    • Digital Camera (3 element system)
    • Ball Curved Focal Plane Array (1 element system)
  3. Results & Discussion
    • MTF
    • Field Curvature
    • Relative Illumination (Fall-off)
    • Field Distortion
    • Point Spread Function
    • Optical images
    • Geometric Robustness
  4. Conclusions
  5. References
  6. Appendix I

Downloads

10min Presentation [ppt] this version has less analysis than the full website report
Appendix:Matlab code, raytrace data files

About

March 2008, This website is the final report of Stanford University Psych221.
For more information please contact by email (thfung at stanford dot edu).

Notes

Website best viewed with a very large monitor. Results page has many images so please be patient if you have low bandwidth
Abstract | Introduction | Methods | Results | Conclusions | References | Appendix |

March 22, 2008 Tracy H Fung