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27 September 2008 Diffraction limited high-contrast imaging with the novel lenses-based integral field unit concept BIGRE
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Abstract
Integral field spectroscopy (IFS) is extremely useful for high-contrast imaging purposes and integral field units (IFU) based on a matrix of lenses are suitable to guarantee low level of differential aberrations among the array of light footprints reaching the detector. To this purpose a new optical concept (BIGRE) for the lenses array adopted in integral field spectroscopy is here fully described, and characterized in the working case of two IFS instruments devoted to high-contrast imaging of extrasolar planets: SPHERE and EPICS, respectively for a 10 meter class telescope (VLT) and a 40 meter class (E-ELT) telescope. The aim of this work is the explanation of the BIGRE optical concept and its implementation on two IFS optical designs, optimized respectively for SPHERE and EPICS.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Antichi, R. G. Gratton, R. U. Claudi, E. Giro, D. Mesa, V. De Caprio, S. Andolfo, A. Boccaletti, K. Dohlen, and J.-L. Beuzit "Diffraction limited high-contrast imaging with the novel lenses-based integral field unit concept BIGRE", Proc. SPIE 7100, Optical Design and Engineering III, 71001J (27 September 2008); https://doi.org/10.1117/12.797675
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