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18 August 2005 The manufacturing, assembly and acceptance testing of the breadboard cryogenic Optical Delay Line for DARWIN
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Abstract
TNO, in cooperation with Micromega-Dynamics, SRON, Dutch Space and CSL, has developed a compact breadboard cryogenic Optical Delay Line for use in future space interferometry missions. The work is performed under ESA contract in preparation for the DARWIN mission. The breadboard delay line is representative of a future flight mechanism, with all used materials and processes being flight representative. The delay line has a single stage voice coil actuator for Optical Path Difference (OPD) control, driving a two-mirror cat's eye. Magnetic bearings are used for guiding. They provide frictionless and wear free operation with zero-hysteresis. The manufacturing, assembly and acceptance testing have been completed and are reported in this paper. The verification program, including functional testing at 40 K, will start in the final quarter of 2005.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. C. van den Dool, F. Kamphues, W. Gielesen, M. Dorrepaal, N. Doelman, N. Loix, J. P. Verschueren, P. P. Kooijman, M. Visser, G. Velsink, and K. Fleury "The manufacturing, assembly and acceptance testing of the breadboard cryogenic Optical Delay Line for DARWIN", Proc. SPIE 5904, Cryogenic Optical Systems and Instruments XI, 590415 (18 August 2005); https://doi.org/10.1117/12.616915
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