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An aperture masking mode for the MICADO instrument
S. Lacour, P. Baudoz, E. Gendron +8
MICADO is a near-IR camera for the Europea ELT, featuring an extended field (75" diameter) for imaging, and also spectrographic and high contrast imaging capabilities. It has been…
Lyot-based Low Order Wavefront Sensor: Implementation on the Subaru Coronagraphic Extreme Adaptive Optics System and its Laboratory Performance
Garima Singh, Olivier Guyon, Pierre Baudoz +5
High throughput, low inner working angle (IWA) phase masks coronagraphs are essential to directly image and characterize (via spectroscopy) earth-like planets. However, the perform…
Lyot-based Low Order Wavefront Sensor for Phase-mask Coronagraphs: Principle, Simulations and Laboratory Experiments
Garima Singh, Frantz Martinache, Pierre Baudoz +4
High performance coronagraphic imaging of faint structures around bright stars at small angular separations requires fine control of tip, tilt and other low order aberrations. When…
High-contrast imaging in polychromatic light with the self-coherent camera
Johan Mazoyer, Pierre Baudoz, Raphaël Galicher +1
Context. In the context of direct imaging of exoplanets, coronagraphs are commonly proposed to reach the required very high contrast levels. However, wavefront aberrations induce s…