• Physics, Engineering
  • Published in
    SPIE Astronomical Telescopes…
    2006
  • DOI:10.1117/12.672577

Whack-a-speckle: focal plane wavefront sensing in theory and practice with a deformable secondary mirror and 5-micron camera

@inproceedings{Kenworthy2006WhackaspeckleFP,
  title={Whack-a-speckle: focal plane wavefront sensing in theory and practice with a deformable secondary mirror and 5-micron camera},
  author={Matthew A. Kenworthy and Philip M. Hinz and James Roger P. Angel and Ari Heinze and Suresh Sivanandam},
  booktitle={SPIE Astronomical Telescopes + Instrumentation},
  year={2006}
}
Long exposures from adaptive optic systems show a diffraction limited core superimposed on a halo of uncorrected light from a science target, and the addition of various long-lived speckles that arise from uncorrected aberrations in the telescope system. The presence of these speckles limit the detection of extra-solar planets at a few diffraction widths from the primary source. Focal plane wavefront sensing uses the deformable secondary mirror of the MMT adaptive optics system to… CONTINUE READING

References

Publications referenced by this paper.
SHOWING 1-10 OF 22 REFERENCES

Codona, “Phase Apodization Coronagraphy,

J L.
  • ApJ in preparation,
  • 2006

High-contrast phase apodization at the MMT: design and on-sky tests,” in Ground-based and Airborne Instrumentation for Astronomy, I

J. L. Codona, P. M. Hinz, M. A. Kenworthy, J.R.P. Angel, N. J. Woolf
  • S. McLean and M. Iye, eds., Proc. SPIE 6269,
  • 2006

and J

M. A. Kenworthy, J. L. Codona, P. M. Hinz
  • R. P. Angel, “First On-Sky Imaging with an Apodised Phase Plate,” ApJ in preparation,
  • 2006

and N

J. L. Codona, R. Angel
  • Putnam, “Closed-loop halo suppression with an interferometric coronagraph,” ApJ in preparation,
  • 2006