Conception of a near-IR spectrometer for ground-based observations of massive stars

C. Kintziger; R. Desselle; J. Loicq; G. Rauw; P. Rochus

doi:10.1117/12.2232300

9 August 2016 Conception of a near-IR spectrometer for ground-based observations of massive stars

C. Kintziger, R. Desselle, J. Loicq, G. Rauw, P. Rochus

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99085R (2016) https://doi.org/10.1117/12.2232300
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

In our contribution, we outline the different steps in the design of a fiber-fed spectrographic instrument that intends to observe massive stars. Starting from the derivation of theoretical relationships from the scientific requirements and telescope characteristics, the entire optical design of the spectrograph is presented. Specific optical elements, such as a toroidal lens, are introduced to improve the instrument’s performances. Then, the verification of predicted optical performances is investigated through optical analyses such as resolution checking. Eventually, the star positioning system onto the central fiber core is explained.

Citation Download Citation

C. Kintziger, R. Desselle, J. Loicq, G. Rauw, and P. Rochus "Conception of a near-IR spectrometer for ground-based observations of massive stars", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99085R (9 August 2016); https://doi.org/10.1117/12.2232300

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