Comparison of Nulling Interferometry and Rotational Shearing Interferometry for Detection of Extrasolar Planets

  • Beethoven Bravo-MedinaEmail author
  • Marija Strojnik
  • Erick Ipus
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 233)


In the last few years, the extrasolar planet detection has been an important science topic. An overwhelming number of the current detections were accomplished using indirect methods. In order to achieve direct detection of planets, a number of interferometric techniques have been proposed. Among those, some are already implemented in terrestrial observatories. The most published of these techniques is the nulling interferometry. We are working on a derivative interferometric technique, referred to as rotational shearing interferometry. We perform a comparison between these techniques and report on the status of their development.



This material is based upon work partially supported by the Air Force Office of Scientific Research under award number FA9550-18-1-0454. Any opinions, finding, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the United States Air Force.

The author B.B.M. acknowledges the Fellowship of the Consejo Nacional de Ciencia y Tecnología (CONACYT), México, for the economic support to accomplish this research.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Beethoven Bravo-Medina
    • 1
    Email author
  • Marija Strojnik
    • 1
  • Erick Ipus
    • 1
  1. 1.Centro de Investigaciones en Óptica A. C.LeónMexico

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