Meeker, Seth R. and Mazin, Benjamin A. and Walter, Alex B. and Strader, Paschal and Fruitwala, Neelay and Bockstiegel, Clint and Szypryt, Paul and Ulbricht, Gerhard and Coiffard, Grégoire and Bumble, Bruce and Cancelo, Gustavo and Zmuda, Ted and Treptow, Ken and Wilcer, Neal and Collura, Giulia and Dodkins, Rupert and Lipartito, Isabel and Zobrist, Nicholas and Bottom, Michael and Shelton, J. Chris and Mawet, Dimitri and van Eyken, Julian C. and Vasisht, Gautam and Serabyn, Eugene (2018) DARKNESS: A Microwave Kinetic Inductance Detector Integral Field Spectrograph for High-contrast Astronomy. Publications of the Astronomical Society of the Pacific, 130 (988). Art. No. 065001. ISSN 0004-6280. doi:10.1088/1538-3873/aab5e7. https://resolver.caltech.edu/CaltechAUTHORS:20180416-141508782
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Abstract
We present DARKNESS (the DARK-speckle Near-infrared Energy-resolving Superconducting Spectrophotometer), the first of several planned integral field spectrographs to use optical/near-infrared Microwave Kinetic Inductance Detectors (MKIDs) for high-contrast imaging. The photon counting and simultaneous low-resolution spectroscopy provided by MKIDs will enable real-time speckle control techniques and post-processing speckle suppression at frame rates capable of resolving the atmospheric speckles that currently limit high-contrast imaging from the ground. DARKNESS is now operational behind the PALM-3000 extreme adaptive optics system and the Stellar Double Coronagraph at Palomar Observatory. Here, we describe the motivation, design, and characterization of the instrument, early on-sky results, and future prospects.
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| Additional Information: | © 2018 The Astronomical Society of the Pacific. Received 2017 October 24; accepted 2018 March 8; published 2018 April 16. The authors would like to thank the anonymous referee for the thorough and helpful comments. We also extend a special thanks to the amazing staff of Palomar Observatory. Their patience, knowledge, and support have been vital to the successful design and operation of DARKNESS. DARKNESS was funded by an NSF ATI grant AST-1308556. S.R.M., P.S., and N.Z. were supported throughout this work by NASA Office of the Chief Technologist's Space Technology Research Fellowships (NSTRF). The research was carried out in part at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This work was performed in part by Fermi Research Alliance, LLC under contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics. This work is based on observations obtained at the Hale Telescope, Palomar Observatory as part of a continuing collaboration between the California Institute of Technology, NASA/JPL, Yale University, and the National Astronomical Observatories of China. Facilities: Hale (PALM-3000 - , Stellar Double Coronagraph). | ||||||||||||||
| Group: | Infrared Processing and Analysis Center (IPAC), Astronomy Department | ||||||||||||||
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| Subject Keywords: | instrumentation: adaptive optics – instrumentation: detectors – instrumentation: spectrographs – Instrumentation: coronagraphs – planets and satellites: detection | ||||||||||||||
| Issue or Number: | 988 | ||||||||||||||
| DOI: | 10.1088/1538-3873/aab5e7 | ||||||||||||||
| Record Number: | CaltechAUTHORS:20180416-141508782 | ||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180416-141508782 | ||||||||||||||
| Official Citation: | Seth R. Meeker et al 2018 PASP 130 065001 | ||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
| ID Code: | 85881 | ||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||
| Deposited On: | 16 Apr 2018 21:23 | ||||||||||||||
| Last Modified: | 15 Nov 2021 20:33 |
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