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Lateral shearing with a pair of double Fresnel rhombs for nulling interferometry

Naoshi Baba1, Keita Kobayashi, Yusuke Kogoma

  • 1Division of Applied Physics, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido, Japan.

Optics Letters
|September 21, 2011
PubMed
Summary

A new lateral-shearing interferometer using Fresnel rhombs offers simultaneous shearing and nulling for detecting exoplanets. Computer simulations and experiments confirm its effectiveness, particularly for segmented-mirror telescopes like the Thirty-Meter Telescope.

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