File:Characterization of terahertz bi-material sensors with integrated metamaterial absorbers (IA characterization1094537711).pdf
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Characterization of terahertz bi-material sensors with integrated metamaterial absorbers
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| Author |
Savvas, Michail |
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| Title |
Characterization of terahertz bi-material sensors with integrated metamaterial absorbers |
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| Publisher |
Monterey, California: Naval Postgraduate School |
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| Description |
THz radiation covers the region of the electro-magnetic (EM) spectrum between the microwaves and infra-red (IR), corresponding to frequencies from approximately 100 GHz to 10 THz. Recently, new imaging techniques, which take advantage of the special properties of THz waves, have been developed. Despite the great interest in these new techniques, limitations such as the lack of appropriate detectors and powerful sources are placing the technology in the research domain. The objective of this thesis is to characterize and analyze a set of fabricated bi-material detectors integrated with thin metamaterial films. Different experimental measurements were performed to measure the main figures of merit of the detectors and analyze them. Initially, optical microscopy was used to measure the dimensions of the sensors and stress induced curvature. Then, the thermal response of the sensors was tested and analyzed. The responsivity, the speed of operation and the minimum detected incident power were measured using a quantum cascade laser (QCL), operating at 3.8 THz. The measured experimental data agree well with the theoretical calculated values of the performance parameters. Subjects: Terahertz Imaging; Bi-material sensors; Metamaterial Films; Responsivity. Thermomechanical Sensitivity; Speed of Operation; NEP |
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| Language | English | |
| Publication date | September 2013 | |
| Current location |
IA Collections: navalpostgraduateschoollibrary; fedlink |
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| Accession number |
characterization1094537711 |
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| Source | ||
| Permission (Reusing this file) |
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted. | |
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| current | 14:40, 15 July 2020 |  | 1,275 × 1,650, 62 pages (1.26 MB) | Fæ (talk | contribs) | FEDLINK - United States Federal Collection characterization1094537711 (User talk:Fæ/IA books#Fork8) (batch 1993-2020 #11195) |
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