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We propose a new guide mode resonant photodiode demonstrating better sensitivity for the infrared imaging. This comprises a backside dielectric sub-wavelength periodic structure and an absorbing region as thin as 90 nm. In this study, electro-optical characterizations of individual InGaAs detector featuring focal-plane array-compatible geometries are fully explained by electro-magnetic simulations...
Planck is a European Space Agency (ESA) satellite, launched in May 2009, which is mapping the Cosmic Microwave Background anisotropies in intensity and polarisation with unprecedented detail and sensitivity. It will also provide full-sky maps of astrophysical foregrounds. An accurate knowledge of the telescope beam patterns is an essential element for a correct analysis of the acquired astrophysical...
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