Abstract
We report the first application of an aberration corrected, concave holographic grating to a stellar spectrograph for conventional astronomy with telescopes of moderate aperature. The spectrograph is comprised. of three modules: the first contains field. viewing optics and physically interfaces the instrument with the telescope; the second holds a comparison source and optics for f/ratio matcLing and slit viewing; and the last is a modified commercial spectrometer incorporating an optimized concave holographic grating. Astronomical dispersion is 160 A/mm. Wavelength range is 3700 to 6600A. Performance of the instrument is illustrated by spectra of MK standards.© (1982) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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