PSF and field of view characteristics of imaging and nulling interferometers

François Hénault

doi:10.1117/12.856024

21 July 2010 PSF and field of view characteristics of imaging and nulling interferometers

François Hénault

Proceedings Volume 7734, Optical and Infrared Interferometry II; 773419 (2010) https://doi.org/10.1117/12.856024
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

In this communication are presented some complements to a recent paper entitled "Simple Fourier optics formalism for high angular resolution systems and nulling interferometry" [1], dealing with imaging and nulling capacities of a few types of multi-aperture optical systems. Herein the characteristics of such systems in terms of Point Spread Function (PSF) and Field of View (FoV) are derived from simple analytical expressions that are further evaluated numerically for various configurations. We consider successively the general cases of Fizeau and Michelson interferometers, and those of a monolithic pupil, nulling telescope, of a nulling, Sheared-Pupil Telescope (SPT), and of a sparse aperture, Axially Combined Interferometer (ACI). The analytical formalism also allows establishing the exact Object-Image relationships applicable to nulling PSTs or ACIs that are planned for future space missions searching for habitable extra-solar planets.

Citation Download Citation

François Hénault "PSF and field of view characteristics of imaging and nulling interferometers", Proc. SPIE 7734, Optical and Infrared Interferometry II, 773419 (21 July 2010); https://doi.org/10.1117/12.856024

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