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Proceedings Paper

Progress in broadband infrared nulling technology for TPF
Author(s): J. Kent Wallace; Randall Bartos; Robert Gappinger; Frank Loya; Steve Moser; John Negron
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Paper Abstract

The Terrestrial Planet Finder Interferometer Project (TPF-I) has set for itself a host of challenging technical milestones along its path to demonstrating the feasibility of infrared nulling for planet detection. Our activities are focused solely upon the experimental demonstration that deep nulling in the mid-IR over a wide bandpass can be accomplished. Specifically, we have the near-term goal of demonstrating a contrast of 10-6 at 10 μm with a 25% spectral bandwidth. To meet these goals, several areas of technical development are required. These include: single-mode infrared fibers, bright infrared sources, laser path-length and tip/tilt metrology, and improvements to null detection. Progress in each of these areas of technical development will be reviewed as well as their impact on the overarching technical milestones.

Paper Details

Date Published: 14 September 2005
PDF: 8 pages
Proc. SPIE 5905, Techniques and Instrumentation for Detection of Exoplanets II, 590505 (14 September 2005); doi: 10.1117/12.618487
Show Author Affiliations
J. Kent Wallace, Jet Propulsion Lab. (United States)
Randall Bartos, Jet Propulsion Lab. (United States)
Robert Gappinger, Jet Propulsion Lab. (United States)
Frank Loya, Jet Propulsion Lab. (United States)
Steve Moser, Jet Propulsion Lab. (United States)
John Negron, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 5905:
Techniques and Instrumentation for Detection of Exoplanets II
Daniel R. Coulter, Editor(s)

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