Calibration of residual speckle in a nulling coronagraph

Details Calibration of residual speckle in a nulling coronagraph Calibration of residual speckle in a nulling coronagraph

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007crphy...8..340s&link_type=abstract

Comptes Rendus - Physique, Volume 8, Issue 3-4, p. 340-348.

Physics

2

Residual Speckle, Nulling Coronagraph, Speckle Résiduel, Coronographe À Compensation

Scientific paper

The most challenging aspect of the direct detection of planets around nearby stars is the huge brightness difference between planet and star associated to the very small angular separation of the two objects. This article describes the operation of a post coronagraph wavefront calibration system for measuring the residual speckle pattern, making use of the coherence of starlight. For a ground based AO coronagraph, the calibration interferometer potentially offers photon limited planet detection instead of atmospheric speckle limited detection. In a space based coronagraph, the use of the calibration system reduces the stability requirements of the optical system by several orders of magnitude. To cite this article: M. Shao, C. R. Physique 8 (2007).

Affiliated with

Also associated with

No associations

Rating

Calibration of residual speckle in a nulling coronagraph does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Calibration of residual speckle in a nulling coronagraph, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calibration of residual speckle in a nulling coronagraph will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1078625