Distributed bolometric effect in optical antennas and resonant structures

Cuadrado, Alexander

doi:10.1117/1.jnp.6.063512

Cited by 18 publications

(28 citation statements)

References 18 publications

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“…While it is quite normal for tunneling diode models to vary many orders of magnitude compared to experimental results, the Seebeck effect diode models usually express accuracy the same order of magnitude as their experimentally-tested prototypes, reaching 75% accuracy as the case of Cuadrado et al [103]. The reported results by Huhn et al [101] show also good agreement between measured and modeled results.…”

Section: Seebeck Effectsupporting

confidence: 74%

“…Primarily, Seebeck effect diodes are paired with detection applications as most of the reviewed literature reveals [101][102][103]. This is, for example, reinforced by Cuadrado et al [103] who have experimented with two thermocouple antenna designs under two sources with different intensities.…”

Section: Seebeck Effectmentioning

confidence: 77%

“…This is, for example, reinforced by Cuadrado et al [103] who have experimented with two thermocouple antenna designs under two sources with different intensities. In their experiment, the response of their distributed bolometric effect rectenna system to a 10.6 µm laser, with irradiance intensity of 1 × 10 8 W m −2 , is 15 µV.…”

Section: Seebeck Effectmentioning

confidence: 78%

“…While the works of [84,96,101,103] rely on the Seebeck effect to explain their results and obtain accurate models, Fumeaux et al [28] and Heiblum et al [46] attribute the output of their experiments to thermal-assisted tunneling. It should be noted, however, that Heiblum et al [46] state in their paper that "lower impedance junctions had less thermal contributions than the high impedance ones"; which holds true for the experiment results of Seebeck effect model even with a different cause.…”

Section: Other Thermal Effectsmentioning

confidence: 99%

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THz Rectennas and Their Design Rules

2017

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Abstract:The increasing demand for more efficient energy harvesting solutions has urged research for better harvesting solutions than the presently-available ones. While p-n junction solar cells have become commercially widespread, they are expensive and suffer from poor efficiency figures hardly reaching 20%. Other radiation-electricity converters such as rectennas have a theoretical limit in excess of 80%. However, no efficient rectenna solution for the terahertz frequency band has been commercialized or presented in the academic literature. In fact, there are many obstructions to an efficient solution. The aim of this paper is to address the key points towards an efficient and commercially-available solution by briefly reviewing the relevant literature and so identifying five factors that should be addressed in order to reach an efficient solution.

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Section: Seebeck Effectsupporting

confidence: 74%

Section: Seebeck Effectmentioning

confidence: 77%

Section: Seebeck Effectmentioning

confidence: 78%

Section: Other Thermal Effectsmentioning

confidence: 99%

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THz Rectennas and Their Design Rules

2017

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“…In some cases an analytical model can be derived that is even expanded to include mechanical vibrations [17]. Typically a multiphysics numerical model approach is necessary to describe this multiple contribution [18].…”

Section: Finite Element Simulations and Discussionmentioning

confidence: 99%

Antenna array connections for efficient performance of distributed microbolometers in the IR

Silva-López¹,

Cuadrado²,

Llombart³

et al. 2013

Opt. Express

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Optical antennas and resonant structures have been extensively investigated due to its potential for electromagnetic detection and energy harvesting applications. However their integration into large arrays and the role of connection lines between individual antennas has drawn little attention. This is necessary if we want to exploit its potential constructively and to enable economical large-scale fabrication. In this contribution we point out some features that an efficient antenna array should address. Experimental measurements on aluminum microbolometers are compared to electromagnetic simulations, it is shown that the finite size of a real array and the interconnection lines interact and affect the global performance.

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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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Distributed bolometric effect in optical antennas and resonant structures

Cited by 18 publications

References 18 publications

THz Rectennas and Their Design Rules

THz Rectennas and Their Design Rules

Antenna array connections for efficient performance of distributed microbolometers in the IR

Spectral Response of Metallic Optical Antennas Driven by Temperature

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