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9 July 2008 SPHERE-IFS arm: a new concept of Nasmyth II generation instrumentation for ESO-VLT
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Direct detection and spectral characterization of Extrasolar Planets is one of the most exciting but also one of the most challenging areas in modern astronomy. For the second-generation instrumentation on the VLT, ESO has supported the study and the design of instrument, called SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research). SPHERE includes a powerful extreme adaptive optics system, various coronagraphs, an infrared differential imaging camera (IRDIS), an infrared Integral Field Spectrograph (IFS) and a visible differential polarimeter (ZIMPOL). IFS is a very low resolution spectrograph (R~50) which works in the near IR (0.95-1.7 microns), an ideal wavelength range for the ground based detection of planetary features. The IFS requirements have been met via an innovative integrated design merging passive stiffness and active control to obtain a light, accessible and functional assembly. This paper gives a description of its cryogenic and mechatronic integrated design.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
V. De Caprio, P. Bruno, E. Cascone, S. Scuderi, R. Claudi, R. G. Gratton, E. Giro, J. Antichi, S. Desidera, M. Tintori, D. Mesa, E. Stadler, M. Turatto, and J. L. Beuzit "SPHERE-IFS arm: a new concept of Nasmyth II generation instrumentation for ESO-VLT", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70143G (9 July 2008);


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