Molybdenum Gratings as a High Temperature Refractory Platform for Plasmonic Heat Generators in the Infrared

Sara Nunez-Sanchez; Hugo Dominguez Andrade; Jan Harwood; Ian Bickerton; Neil A Fox; Martin J Cryan

doi:10.1049/mnl.2018.0156

Molybdenum Gratings as a High Temperature Refractory Platform for Plasmonic Heat Generators in the Infrared

Sara Nunez-Sanchez, Hugo Dominguez Andrade, Jan Harwood, Ian Bickerton, Neil A Fox, Martin J Cryan

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

The aim of this work is to study the heating efficiency of refractory microstructures by excitation of surface plasmon polaritons in the far infrared that can be used for high temperature applications. We have designed metal grating couplers on molybdenum films to maximize the absorption of a 10.6 μm CO2 laser light source. Molybdenum has been chosen since it is an industrial refractory metal combined with the fact that its optical properties in the far infrared are similar to gold but with stable high temperature performance. Linear gratings have been used as plasmonic couplers on large area substrates produced by laser milling. Real time absolute temperature measurements have been performed showing a 42 % increase in the maximum achievable temperature from 702 K to 985 K.

Original language	English
Journal	Micro and Nano Letters
Early online date	6 Jun 2018
DOIs	https://doi.org/10.1049/mnl.2018.0156
Publication status	E-pub ahead of print - 6 Jun 2018

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Photonics and Quantum

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10.1049/mnl.2018.0156

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Work function modification studies for energy applications: from surface chemical functionalisation to plasmonic tuning
Dominguez Andrade, H. (Author), Fox, N. A. (Supervisor) & Scott , T. B. (Supervisor), 26 Sept 2017
Student thesis: Doctoral Thesis › Doctor of Philosophy (PhD)

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abstract = "The aim of this work is to study the heating efficiency of refractory microstructures by excitation of surface plasmon polaritons in the far infrared that can be used for high temperature applications. We have designed metal grating couplers on molybdenum films to maximize the absorption of a 10.6 μm CO2 laser light source. Molybdenum has been chosen since it is an industrial refractory metal combined with the fact that its optical properties in the far infrared are similar to gold but with stable high temperature performance. Linear gratings have been used as plasmonic couplers on large area substrates produced by laser milling. Real time absolute temperature measurements have been performed showing a 42 % increase in the maximum achievable temperature from 702 K to 985 K.",

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T1 - Molybdenum Gratings as a High Temperature Refractory Platform for Plasmonic Heat Generators in the Infrared

AU - Nunez-Sanchez, Sara

AU - Dominguez Andrade, Hugo

AU - Harwood, Jan

AU - Bickerton, Ian

AU - Fox, Neil A

AU - Cryan, Martin J

PY - 2018/6/6

Y1 - 2018/6/6

N2 - The aim of this work is to study the heating efficiency of refractory microstructures by excitation of surface plasmon polaritons in the far infrared that can be used for high temperature applications. We have designed metal grating couplers on molybdenum films to maximize the absorption of a 10.6 μm CO2 laser light source. Molybdenum has been chosen since it is an industrial refractory metal combined with the fact that its optical properties in the far infrared are similar to gold but with stable high temperature performance. Linear gratings have been used as plasmonic couplers on large area substrates produced by laser milling. Real time absolute temperature measurements have been performed showing a 42 % increase in the maximum achievable temperature from 702 K to 985 K.

AB - The aim of this work is to study the heating efficiency of refractory microstructures by excitation of surface plasmon polaritons in the far infrared that can be used for high temperature applications. We have designed metal grating couplers on molybdenum films to maximize the absorption of a 10.6 μm CO2 laser light source. Molybdenum has been chosen since it is an industrial refractory metal combined with the fact that its optical properties in the far infrared are similar to gold but with stable high temperature performance. Linear gratings have been used as plasmonic couplers on large area substrates produced by laser milling. Real time absolute temperature measurements have been performed showing a 42 % increase in the maximum achievable temperature from 702 K to 985 K.

U2 - 10.1049/mnl.2018.0156

DO - 10.1049/mnl.2018.0156

M3 - Article (Academic Journal)

SN - 1750-0443

JO - Micro and Nano Letters

JF - Micro and Nano Letters

ER -

Molybdenum Gratings as a High Temperature Refractory Platform for Plasmonic Heat Generators in the Infrared

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Work function modification studies for energy applications: from surface chemical functionalisation to plasmonic tuning

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