Alignment of the three-mirror anastigmat of the GIANO-TNG high resolution infrared spectrometer

I. Mochi; E. Oliva; L. Vanzi

doi:10.1117/12.788236

23 July 2008 Alignment of the three-mirror anastigmat of the GIANO-TNG high resolution infrared spectrometer

I. Mochi, E. Oliva, L. Vanzi

Proceedings Volume 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation; 70184J (2008) https://doi.org/10.1117/12.788236
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

GIANO-TNG is a cryogenic cross-dispersed spectrometer designed to operate at near IR wavelengths (0.9-2.5 μm) achieving a resolving power of R approximately equal to 50,000 and covering most of the spectral range in a single exposure. The core of its optical system consists of a 3-mirror anastigmat (TMA) used in double pass, which acts both as collimator and camera. Thanks to its all-mirrors design, the system is intrinsically achromatic and can be conveniently aligned at optical wavelengths. This papers describes the procedure followed and the results obtained for the alignment of the optics of this instrument.

Citation Download Citation

I. Mochi, E. Oliva, and L. Vanzi "Alignment of the three-mirror anastigmat of the GIANO-TNG high resolution infrared spectrometer", Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 70184J (23 July 2008); https://doi.org/10.1117/12.788236

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