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30 September 2004 TNO TPD contributions to high-precision optical metrology: a Darwin metrology breadboard for ESA
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Abstract
A Darwin precursor breadboard, comprising both fine lateral and longitudinal metrology sensors was designed, built and partially tested. The lateral metrology sensor was designed and built by TNO TPD and more than meets the imposed requirements. The longitudinal metrology sensor consists of a dual wavelength interferometer with an integrated delay line for optical path stabilisation. Here TNO TPD supplied the delay line and implemented the optical path difference stabilisation control. Experiments under ambient conditions show that noise reduction up to five orders of magnitude is achievable.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Adrianus L. Verlaan, Teun C. van den Dool, Ben C.B. Braam, Bertrand Calvel, Rainer Sesselman, Wolfgang Poeschel, Denys Dontsov, Isabel Cabeza Vega, Eberhard Manske, Thilo Schuldt, and Zoran Sodnik "TNO TPD contributions to high-precision optical metrology: a Darwin metrology breadboard for ESA", Proc. SPIE 5528, Space Systems Engineering and Optical Alignment Mechanisms, (30 September 2004); https://doi.org/10.1117/12.559915
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