The DARWIN breadboard cryogenic optical delay line

conference paper
2017
Dool, T.C. van den

Gielesen, W.

Kamphues, F.

Loix, N.

Kooijman, P.P.

Vries, C. de

Weers, H. van

Fleury, K.

Stockman, Y.

Velsink, G.

Benoit, J.

Poupinet, A.

Sève, F.
TNO, in cooperation with Micromega-Dynamics, SRON, Dutch Space and CSL, has designed a compact breadboard cryogenic delay line (figure 1) for use in future space interferometry missions. The work is performed under ESA contract 17.747/03 in preparation for the DARWIN mission. The breadboard (BB) delay line is representative of a flight mechanism. 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 provide frictionless and wear free operation with zero-hysteresis. The design of the BB delay line has been completed. The development test program, including operation at 100 K has been completed. The verification test programme is currently being carried out and will include functional testing at 40 K.
Topics
Optical delay lineTPF-ICryogenicsInterferometryMagnetic bearingsOptical communicationActive Magnetic BearingAperture synthesisDARWINNano-positioningNulling interferometryOptical delay linesSoftware testing
TNO Identifier
784935
Repository link
https://resolver.tno.nl/uuid:7b917387-cfd5-4e5e-856f-573331941a73
ISSN
0277786X
ISBN
9781510616233
Publisher
SPIE
Article nr.
105670J-1
Source title
6th International Conference on Space Optics, ICSO 2006, Noordwijk, The Netherlands, 27-30 June 2006
Editor(s)
Armandillo, E.
Costeraste J.
Karafolas, N.
Collation
7 p.
Files
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