Magnetic bearing optical delay line

Teun C. van den Dool; Fred Kamphues; B. Fouss; K. Henrioulle; Harm Hogenhuis

doi:10.1117/12.549431

30 September 2004 Magnetic bearing optical delay line

Teun C. van den Dool, Fred Kamphues, B. Fouss, K. Henrioulle, Harm Hogenhuis

Proceedings Volume 5528, Space Systems Engineering and Optical Alignment Mechanisms; (2004) https://doi.org/10.1117/12.549431
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

TNO TPD, in close cooperation with Micromega-Dynamics and Dutch Space, has developed an advanced Optical Delay Line (ODL) for use in PRIMA, GENIE and other ground based interferometers. The delay line design is modular and flexible, which makes scaling for other applications a relatively easy task. The developed technology can also be applied in future cryogenic space interferometers, such as DARWIN, and TPF-I. The ODL has a single linear motor actuator for Optical Path Difference (OPD) control, driving a two-mirror cat's eye with SiC mirrors and CFRP structure. Magnetic bearings provide frictionless and wear free operation with zero-hysteresis. The delay line has been assembled and is currently being subjected to a comprehensive test program.

Citation Download Citation

Teun C. van den Dool, Fred Kamphues, B. Fouss, K. Henrioulle, and Harm Hogenhuis "Magnetic bearing optical delay line", Proc. SPIE 5528, Space Systems Engineering and Optical Alignment Mechanisms, (30 September 2004); https://doi.org/10.1117/12.549431

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