Optical design of the SOXS spectrograph for ESO NTT

Ricardo Zánmar Sánchez, Matteo Munari, Sagi Ben-ami, Adam Rubin, Anna Brucalassi, Hanindyo Kuncarayakti, Jani Achrén, Jari Kotilainen, Tarun Kumar, Sergio Campana, Riccardo U. Claudi, Pietro Schipani, Matteo Aliverti, Andrea Baruffolo, Federico Biondi, Giulio Capasso, Rosario Cosentino, Francesco D'alessio, Paolo D'avanzo, Oz DinerSalvatore Scuderi, Fabrizio Vitali, José A. Araiza-durán, Iair Arcavi, Andrea Bianco, Enrico Cappellaro, Mirko Colapietro, Massimo Della Valle, Sergio D'orsi, Daniela Fantinel, Johan Fynbo, Avishay Gal-yam, Matteo Genoni, Mika Hirvonen, Marco Landoni, Jussi Lehti, Gianluca Li Causi, Luca Marafatto, Seppo Mattila, Giorgio Pariani, Giuliano Pignata, Michael Rappaport, Davide Ricci, Marco Riva, Bernardo Salasnich, Stephen Smartt, Massimo Turatto, Ofir Hershko, Hideki Takami, Christopher J. Evans, Luc Simard

8 Citations (Scopus)

Abstract

An overview of the optical design for the SOXS spectrograph is presented. SOXS (Son Of X-Shooter) is the new wideband, medium resolution (R>4500) spectrograph for the ESO 3.58m NTT telescope expected to start observations in 2021 at La Silla. The spectroscopic capabilities of SOXS are assured by two different arms. The UV-VIS (350-850 nm) arm is based on a novel concept that adopts the use of 4 ion-etched high efficiency transmission gratings. The NIR (800- 2000 nm) arm adopts the 4C' design (Collimator Correction of Camera Chromatism) successfully applied in X-Shooter. Other optical sub-systems are the imaging Acquisition Camera, the Calibration Unit and a pre-slit Common Path. We describe the optical design of the five sub-systems and report their performance in terms of spectral format, throughput and optical quality. This work is part of a series of contributions1-9 describing the SOXS design and properties as it is about to face the Final Design Review.

Original languageEnglish
JournalProceedings of the SPIE
Volume10702
Number of pages9
ISSN0277-786X
DOIs
Publication statusPublished - 2018
EventGround-based and Airborne Instrumentation for Astronomy VII - Austin, United States
Duration: 10 Jun 201815 Jun 2018

Conference

ConferenceGround-based and Airborne Instrumentation for Astronomy VII
LocationAustin, United States
Period10/06/201815/06/2018

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