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

Christian Kintziger; Richard Desselle; Jerome Loicq; Gregor Rauw; Pierre Rochus

doi:10.1117/1.JATIS.3.1.015002

21 February 2017 Conception of a near-infrared spectrometer for ground-based observations of massive stars

Christian Kintziger, Richard Desselle, Jerome Loicq, Gregor Rauw, Pierre Rochus

Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 3, Issue 1, 015002 (February 2017). https://doi.org/10.1117/1.JATIS.3.1.015002

Abstract

In our contribution, we outline the different steps in the design of a fiber-fed spectrographic instrument for stellar astrophysics. 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 efficiency. 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

Christian Kintziger, Richard Desselle, Jerome Loicq, Gregor Rauw, and Pierre Rochus "Conception of a near-infrared spectrometer for ground-based observations of massive stars," Journal of Astronomical Telescopes, Instruments, and Systems 3(1), 015002 (21 February 2017). https://doi.org/10.1117/1.JATIS.3.1.015002

Received: 3 August 2016; Accepted: 1 February 2017; Published: 21 February 2017

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