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Proceedings Paper

Terrestrial Planet Finder cryogenic delay line development
Author(s): Robert F. Smythe; Mark R. Swain; Oscar S. Alvarez-Salazar; James D. Moore
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Paper Abstract

Delay lines provide the pathlength compensation that makes the measurement of interference fringes possible. When used for nulling interferometry, the delay line must control pathlengths so that the null is stable and controlled throughout the measurement. We report on a low noise, low disturbance, high bandwidth optical delay line capable of meeting the TPF interferometer optical path length control requirements at cryogenic temperatures.

Paper Details

Date Published: 20 October 2004
PDF: 11 pages
Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.552260
Show Author Affiliations
Robert F. Smythe, Jet Propulsion Lab. (United States)
Mark R. Swain, Jet Propulsion Lab. (United States)
Oscar S. Alvarez-Salazar, Jet Propulsion Lab. (United States)
James D. Moore, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 5491:
New Frontiers in Stellar Interferometry
Wesley A. Traub, Editor(s)

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