Comparison of Linear and Rotationally Shearing Interferometric Layouts for ExtraSolar Planet Detection from Space
Applied Optics, Vol. 42, Issue 29, pp. 5897-5905 (2003)
http://dx.doi.org/10.1364/AO.42.005897
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Abstract
We use the point spread function and the modulation transfer function (MTF) as two figures-of-merit to evaluate the performance of the multiaperture interferometric configurations for the detection of a faint planet in the vicinity of its bright star. We design nonredundant interferometric layouts that provide satisfactory coverage of the spatial frequencies of interest. We propose a design incorporating a rotating, rotationally shearing interferometer in a gravity-free environment and compare its performance with the Earth-based, fixed, linear configurations. The side peak of its MTF may be centered on the coordinate associated with a likely planet spatial frequency, resulting in planet signal enhancement and isolation.
© 2003 Optical Society of America
OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(110.4280) Imaging systems : Noise in imaging systems
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(350.4600) Other areas of optics : Optical engineering
Citation
Marija Strojnik and Gonzalo Paez, "Comparison of Linear and Rotationally Shearing Interferometric Layouts for ExtraSolar Planet Detection from Space," Appl. Opt. 42, 5897-5905 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-29-5897
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