Achieving the resolution of the spectrograph of the 6m large Azimuthal telescope

Dmitrii Sazonenko; Dmitrii Kukushkin; Alexey Bakholdin; Gennady Valyavin

doi:10.1117/12.2232043

9 August 2016 Achieving the resolution of the spectrograph of the 6m large Azimuthal telescope

Dmitrii Sazonenko, Dmitrii Kukushkin, Alexey Bakholdin, Gennady Valyavin

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99086E (2016) https://doi.org/10.1117/12.2232043
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) creates a spectrograph with high spectral resolution for the 6-meter telescope. The spectrograph consists of a mobile unit located at the focus of the telescope’s main mirror, a stationary part located under the telescope and optical fibers which transmit light from the mobile part to the stationary one. The spectral resolution of the stationary part should be R=100000. To achieve such a value, the scheme has two spectral elements, with cross-dispersion. The main spectral element is an echelle grating. The second spectral element is a prism with a diffraction grating on one facet.

Citation Download Citation

Dmitrii Sazonenko, Dmitrii Kukushkin, Alexey Bakholdin, and Gennady Valyavin "Achieving the resolution of the spectrograph of the 6m large Azimuthal telescope", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99086E (9 August 2016); https://doi.org/10.1117/12.2232043

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