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NASA NTRS · 20060043640

Terrestrial Planet Finder cryogenic delay line development

Smythe, Robert F.·Swain, Mark R.·Alvarez-Salazar, Oscar·Moore, James D.
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Abstract

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

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Smythe, Robert F., Swain, Mark R., Alvarez-Salazar, Oscar, Moore, James D.. 2004-06-21. Terrestrial Planet Finder cryogenic delay line development. https://ntrs.nasa.gov/citations/20060043640

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