Estakhri, Nasim MohammadiFleury, RomainSoric, JasonAlù, Andrea2016-11-222016-11-222016-11-222013https://infoscience.epfl.ch/handle/20.500.14299/131568We analyze the constraints governing absorption and scattering of arbitrary sensors or receiving antennas. Our findings bring forward interesting physical limitations on the amount of accessible absorption in a low-scattering sensor and suggest practical ways to achieve efficient designs for noninvasive sensors, based on the application needs.text::conference output::conference presentation