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Proceedings Paper

Progress on the occulter experiment at Princeton
Author(s): Eric Cady; Kunjithapatham Balasubramanian; Michael Carr; Matthew Dickie; Pierre Echternach; Tyler Groff; Jeremy Kasdin; Christian Laftchiev; Michael McElwain; Dan Sirbu; Robert Vanderbei; Victor White
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Paper Abstract

An occulter is used in conjunction with a separate telescope to suppress the light of a distant star. To demonstrate the performance of this system, we are building an occulter experiment in the laboratory at Princeton. This experiment will use an etched silicon mask as the occulter, with some modifications to try to improve the performance. The occulter is illuminated by a diverging laser beam to reduce the aberrations from the optics before the occulter. We present the progress of this experiment and expectations for future work.

Paper Details

Date Published: 20 August 2009
PDF: 10 pages
Proc. SPIE 7440, Techniques and Instrumentation for Detection of Exoplanets IV, 744006 (20 August 2009); doi: 10.1117/12.826359
Show Author Affiliations
Eric Cady, Princeton Univ. (United States)
Kunjithapatham Balasubramanian, Jet Propulsion Lab. (United States)
Michael Carr, Princeton Univ. (United States)
Matthew Dickie, Jet Propulsion Lab. (United States)
Pierre Echternach, Jet Propulsion Lab. (United States)
Tyler Groff, Princeton Univ. (United States)
Jeremy Kasdin, Princeton Univ. (United States)
Christian Laftchiev, Princeton Univ. (United States)
Michael McElwain, Princeton Univ. (United States)
Dan Sirbu, Princeton Univ. (United States)
Robert Vanderbei, Princeton Univ. (United States)
Victor White, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 7440:
Techniques and Instrumentation for Detection of Exoplanets IV
Stuart B. Shaklan, Editor(s)

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