The internal alignment and validation of a powered ADC for SOXS
F. Battaini, K. Radhakrishnan, R. Claudi, M. Munari, R.Z. S\`anchez,, M. Aliverti, M. Colapietro, D. Ricci, L. Lessio, M. Dima, F. Biondi, S., Campana, P. Schipani, A. Baruffolo, S. Ben-Ami, G. Capasso, R. Cosentino, F., D'Alessio, P. D'Avanzo, O. Hershkod, H. Kuncarayakti
TL;DR
This paper details the design, alignment, and validation of a powered ADC in the SOXS spectrograph, highlighting the challenges and solutions in ensuring optical quality and dispersion performance.
Contribution
It introduces a comprehensive approach to aligning and validating a powered ADC with complex optics in a spectrograph.
Findings
ADC meets dispersion specifications
Alignment procedures effectively optimize optical quality
Identified and addressed issues in powered optics alignment
Abstract
The Son Of X-Shooter (SOXS) is a two-channel spectrograph along with imaging capabilities, characterized by a wide spectral coverage (350nm to 2000nm), designed for the NTT telescope at the La Silla Observatory. Its main scientific goal is the spectroscopic follow-up of transients and variable objects. The UV-VIS arm, of the Common Path sub-system, is characterized by the presence of a powered Atmospheric Dispersion Corrector composed (ADC) by two counter-rotating quadruplets, two prisms, and two lenses each. The presence of powered optics in both the optical groups represents an additional challenge in the alignment procedures. We present the characteristics of the ADC, the analysis after receiving the optics from the manufacturer, the emerging issues, the alignment strategies we followed, and the final results of the ADC in dispersion and optical quality.
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