Near-IR Spectrograph for VSI (VLTI Spectro Imager): dispersing the light from an integrated optics beam-combiner

D. Lorenzetti, G. Li Causi, R. Speziali +7

We present the optical and cryo-mechanical solutions for the Spectrograph of VSI (VLTI Spectro-Imager), the second generation near-infrared (J, H and K bands) interferometric instr…