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Graphene bolometer for vis-IR spectral range made on nano-SiN membrane
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Paper Abstract

A sensitive bolometric detector for visible and infrared wavelengths based on a novel assembly principle of a graphene monolayer on a nano/micro SiN membrane is realised. The basic operating principle of the optical detector relies on the absorption of electromagnetic radiation in the graphene and creation of a strong thermal gradient, rT, which is detected via the Seebeck effect: Voltage = S x ∇rT, where S is the Seebeck coefficient of graphene. A simple lithography-free deposition of two metal contacts with different electron work functions: Pd (by sputtering) and Ag (by jet printing and annealing) was used. Sensitivity of the bolometer was the same ~1:1 mV/mW at 1030 and 515 nm wavelengths.

Paper Details

Date Published: 22 February 2018
PDF: 7 pages
Proc. SPIE 10544, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XI, 105440H (22 February 2018); doi: 10.1117/12.2289467
Show Author Affiliations
Tania Moein, Swinburne Univ. of Technology (Australia)
Melbourne Ctr. for Nanofabrication (Australia)
Darius Gailevičius, Vilnius Univ. (Lithuania)
Tomas Katkus, Swinburne Univ. of Technology (Australia)
Soon Hock Ng, Swinburne Univ. of Technology (Australia)
David J. Moss, Swinburne Univ. of Technology (Australia)
Mangirdas Malinauskas, Vilnius Univ. (Lithuania)
Saulius Juodkazis, Swinburne Univ. of Technology (Australia)
Melbourne Ctr. for Nanofabrication (Australia)


Published in SPIE Proceedings Vol. 10544:
Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XI
Georg von Freymann; Winston V. Schoenfeld; Raymond C. Rumpf, Editor(s)

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