The manufacturing, assembly and acceptance testing of the breadboard cryogenic Optical Delay Line for DARWIN

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; K. Fleury

doi:10.1117/12.616915

18 August 2005 The manufacturing, assembly and acceptance testing of the breadboard cryogenic Optical Delay Line for DARWIN

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, K. Fleury

Author Affiliations +

Proceedings Volume 5904, Cryogenic Optical Systems and Instruments XI; 590415 (2005) https://doi.org/10.1117/12.616915
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

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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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