Optical sparse aperture imaging.

  title={Optical sparse aperture imaging.},
  author={Nicholas J. Miller and Matthew P Dierking and Bradley D. Duncan},
  journal={Applied optics},
  volume={46 23},
The resolution of a conventional diffraction-limited imaging system is proportional to its pupil diameter. A primary goal of sparse aperture imaging is to enhance resolution while minimizing the total light collection area; the latter being desirable, in part, because of the cost of large, monolithic apertures. Performance metrics are defined and used to evaluate several sparse aperture arrays constructed from multiple, identical, circular subapertures. Subaperture piston and/or tilt effects on… CONTINUE READING
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