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Proceedings Article

The Keck interferometer nuller: system architecture and laboratory performance

[+] Author Affiliations
Eugene Serabyn, Andrew J. Booth, M. M. Colavita, Michelle J. Creech-Eakman, Samuel L. Crawford, Jean Garcia, Richard L. Johnson, Jr., Erik Hovland, C. Koresko, Edgar R. Ligon III, Stefan R. Martin, Bertrand P. Mennesson, James D. Moore, Dean L. Palmer, Christopher G. Paine, Michael Shao, Mark R. Swain, Robert F. Smythe, Gautam Vasisht

Jet Propulsion Lab. (USA)

Proc. SPIE 5491, New Frontiers in Stellar Interferometry, 806 (October 20, 2004); doi:10.1117/12.552195
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From Conference Volume 5491

  • New Frontiers in Stellar Interferometry
  • Wesley A. Traub
  • USA | June 21, 2004

abstract

The first high-dynamic-range interferometric mode planned to come on line at the Keck Observatory is mid-infrared nulling. This observational mode, which is based on the cancellation of the on-axis starlight arriving at the twin Keck telescopes, will be used to examine nearby stellar systems for the presence of circumstellar exozodiacal emission. This paper describes the system level layout of the Keck Interferometer Nuller (KIN), as well as the final performance levels demonstrated in the laboratory integration and test phase at the Jet Propulsion Laboratory prior to shipment of the nuller hardware to the Keck Observatory in mid-June 2004. On-sky testing and observation with the mid-infrared nuller are slated to begin in August 2004.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Eugene Serabyn ; Andrew J. Booth ; M. M. Colavita ; Michelle J. Creech-Eakman ; Samuel L. Crawford, et al.
"The Keck interferometer nuller: system architecture and laboratory performance", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, 806 (October 20, 2004); doi:10.1117/12.552195; http://dx.doi.org/10.1117/12.552195


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