Paper
9 August 2016 Development of illumination optics in optical scheme of high-resolution fiber-fed echelle-spectrograph for the Big Telescope Alt-azimuth (BTA)
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Abstract
The report describes the development and optimization of optical scheme of the illumination optics of the entrance slit for the high-resolution fiber-fed echelle-spectrograph. The optical system of the illuminator provides the necessary agreement of the numerical apertures of the fiber and spectrograph, as well as it allows to install the necessary equipment to obtain the required structure of the image. As a result of the designing two components illumination system was obtained, which has a good transmission in a specified spectral range and low cost. This research provides a good instrument for performing modern researches for the astronomy.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. E. Kukushkin, D. A. Sazonenko, A. V. Bakholdin, and G. G. Valyavin "Development of illumination optics in optical scheme of high-resolution fiber-fed echelle-spectrograph for the Big Telescope Alt-azimuth (BTA)", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99086D (9 August 2016); https://doi.org/10.1117/12.2232018
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KEYWORDS
Spectrographs

Fiber optic illuminators

Fiber optics

Telescopes

Image quality

Waveguides

Image segmentation

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