New Beam-Combination Techniques at IOTA

Wesley A. Traub, Angela Ahearn, Nathaniel P. Carleton, Jean-Philippe Berger, Michael K. Brewer, Karl-Heinz Hofmann, Pierre Y. Kern, Marc G. Lacasse, Fabien Malbet, Rafael Millan-Gabet, John D. Monnier, Keiichi Ohnaka, Ettore Pedretti, Sam Ragland, F. Peter Schloerb, Kamal Souccar, Gerd Weigelt

Research output: Contribution to journalArticle

Abstract

New beam combination techniques, using two and three telescopes, have been the focus of activity at IOTA during the past two years since our last update. In particular, we have added a third telescope, made closure-phase measurements, demonstrated two- and three-beam combination with integrated optics combiners, demonstrated two-beam combination with an asymmetric coupler, and made simultaneous JHK visibility measurements with an image-plane combiner.
Original languageEnglish
Pages (from-to)45-52
JournalInterferometry for Optical Astronomy II
Volume4838
Publication statusPublished - 1 Feb 2003

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    Traub, W. A., Ahearn, A., Carleton, N. P., Berger, J-P., Brewer, M. K., Hofmann, K-H., Kern, P. Y., Lacasse, M. G., Malbet, F., Millan-Gabet, R., Monnier, J. D., Ohnaka, K., Pedretti, E., Ragland, S., Schloerb, F. P., Souccar, K., & Weigelt, G. (2003). New Beam-Combination Techniques at IOTA. Interferometry for Optical Astronomy II, 4838, 45-52. http://adsabs.harvard.edu/abs/2003SPIE.4838...45T