NASA NTRS · 19830032753
Progress report on the high resolution spectrograph for the Space Telescope
Abstract
The instrument design is complete and many components and subsystems have been manufactured and tested. Solar-blind, multichannel, pulse counting detectors for two ultraviolet spectral bands have been developed and satisfactory flight units have been chosen. A large, lightweight graphite-epoxy optical bench, utilizing fingerplate joints with no metallic parts in order to minimize thermal expansion, has been built. Tests of the engineering model torque-motor-driven grating carrousel indicate that this critical system exceeds tight specifications for accurate and repeatable angular positioning. A complement of large, high-frequency gratings and an echelle is being completed in several laboratories. Software resident in a computer on the spacecraft will control the spectrograph with the capability to alter procedures in response to real-time evaluation of the data.
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Brandt, J. C., Boggess, A., Heap, S. R., Maran, S. P., Smith, A. M., Beaver, E. A., Hutchings, J. B., Jura, M. A., Linsky, J. L., Savage, B. D.. 1981-01-01. Progress report on the high resolution spectrograph for the Space Telescope. https://ntrs.nasa.gov/citations/19830032753
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