Sensitivity of an Imaging Space Infrared Interferometer

Abstract

We study the sensitivities of space infrared interferometers. We formulate the signal-to-noise ratios of infrared images obtained by aperture synthesis in the presence of source shot noise, background shot noise and detector read noise. We consider the case in which n beams are pairwise combined at n(n-1)/2 detectors, and the case in which all the n beams are combined at a single detector. We apply the results to future missions, Terrestrial Planet Finder and Darwin. We also discuss the potential of a far-infrared interferometer for a deep galaxy survey.

28 pages, 9 figures. To be published in Applied Optics

References in corpus (2)

• The COBE Diffuse Infrared Background Experiment Search for the Cosmic Infrared Background: II. Model of the Interplanetary Dust Cloud
• Semi-analytic modelling of galaxy evolution in the IR/submm range

Cited by in corpus (1)

• Sensitivity of a Ground-Based Infrared Interferometer for Aperture Synthesis Imaging