Cuadrado Conde, AlexanderLópez Alonso, José ManuelGonzález, Francisco JavierAlda, Javier2023-06-172023-06-1720171557-195510.1007/s11468-016-0297-zhttps://hdl.handle.net/20.500.14352/17851Received: 18 March 2016 / Accepted: 5 June 2016 / Published online: 15 June 2016 © The Author(s) 2016. This article is published with open access at Springerlink.comWhen optical antennas are used as light detectors, temperature changes their spectral response. Using this relation, we determine the spectrum of a light beam from an optical antenna’s signal. A numerical evaluation of the temperature-spectral response has been completed with a model for the noise of the device. Using both the response and the noise model, we have established the capabilities of the device by quantifying the error in the spectrum determination both for broadband spectrum and monochromatic radiation.engAtribución 3.0 Españahttps://creativecommons.org/licenses/by/3.0/es/journal articlehttp://dx.doi.org/10.1007/s11468-016-0297-zhttps://link.springer.com/article/10.1007/s11468-016-0297-zhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5420004/open access621.396.67535.1:543.42Optical antennasSpectrometerÓptica (Física)2209.19 Óptica Física