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Prospects for High Angular Resolution in Gamma-ray Astronomy
Published online by Cambridge University Press: 13 May 2016
Abstract
It is in the gamma-ray band, the shortest wavelength part of the electromagnetic spectrum, where diffraction limitations are least constraining, that one might hope for the highest angular resolution. The intrinsic limitations of the imaging techniques used in gamma-ray astronomy are reviewed and the feasibility of obtaining diffraction-limited angular resolution in this band discussed. It is argued that by accepting the necessity of extremely long focal lengths, sub micro arc second resolution along with enormously improved sensitivity should be achievable using diffractive lenses.
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- Prospects for High Angular Resolution Instrumentation
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- Copyright © Astronomical Society of the Pacific 2001