Seebeck nanoantennas for the detection and characterization of infrared radiation

Briones, Edgar; Cuadrado, Alexander; Briones, Joel; León, Ramón Díaz de; Antón, Juan Carlos Martínez; McMurtry, Stefan; Hehn, M.; Montaigne, F.; Alda, Javier; González, Francisco

doi:10.1364/oe.22.0a1538

Cited by 27 publications

(15 citation statements)

References 32 publications

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“…The air-bridge technology has been successfully employed to increase the performance of antenna-coupled microbolometers, 20 and in this proposal, its extended use in Seebeck nanoantennas is also considered. 23 The performance of the isolated nanoantennas is determined by considering a multi-physics problem in which the heat-diffusion and electromagnetic equations are solved. Numerical simulations are performed with COMSOL Multi-physics (ver5.2) commercial software package based on the finite element method that solves the equations required for this analysis.…”

Section: Introductionmentioning

confidence: 99%

Numerical conversion efficiency of thermally isolated Seebeck nanoantennas

et al. 2016

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In this letter, we evaluate the conversion efficiency of thermally isolated Seebeck nanoantennas by numerical simulations and discuss their uses and scope for energy harvesting applications. This analysis includes the simple case of titanium-nickel dipoles suspended in air above the substrate by a 200 nm silicon dioxide membrane to isolate the heat dissipation. Results show that substantially thermal gradients are induced along the devices leading to a harvesting efficiency around 10-4 %, 400 % higher than the previously reported Seebeck nanoantennas. In the light of these results, different optimizing strategies should be considered in order to make the Seebeck nanoantennas useful for harvesting applications.

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Section: Introductionmentioning

confidence: 99%

Numerical conversion efficiency of thermally isolated Seebeck nanoantennas

et al. 2016

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“…The device’s temperature also changes because of Joule dissipation, producing a bolometric effect that is exploited in antenna-coupled bolometers [8, 9]. In bimetallic antennas, the change in temperature induces a Seebeck voltage [10, 11]. …”

Section: Introductionmentioning

confidence: 99%

Spectral Response of Metallic Optical Antennas Driven by Temperature

et al. 2016

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When 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.

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“…Antenna-coupled nanothermocouples (ACNTCs) have been studied for long-wave infrared detection (LWIR) [1] due to the ability to detect black-body radiation of objects around room temperature, as well as for energy-harvesting applications [2][3][4]. ACNTCs exploit the wave nature of the IR radiation by resonant absorption.…”

Section: Introductionmentioning

confidence: 99%