31 December 1980 Modular Alignment System For Spacecraft
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A modular alignment system has been designed and built at the Institut d'Astrophysique, Lige. Based on the multiple-beam autocollimation principle, it is composed of two collimators, a series of beam splitters and mirrors and a large reference flat. All the generated laser beams are aligned with respect to the latter and are projected onto corresponding test mirrors. These can then be set perpendicular to the beams by shimming the payload on which they are attached. The autocollimation is controlled visually by a micrometer stage, or on a TV screen. Some twenty beams may be aligned simultaneously with a precision of the order of one second of arc, regardless of the floor stability.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Henrist, M. Henrist, D. Malaise, D. Malaise, A. Monfils, A. Monfils, } "Modular Alignment System For Spacecraft", Proc. SPIE 0251, Optical Alignment I, (31 December 1980); doi: 10.1117/12.959470; https://doi.org/10.1117/12.959470


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