A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications

Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between...
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Autor*in:	Rengasamy, Swathika [verfasserIn] Natarajan, Radha Kuttathati Srinivasan, Vishvaksenan

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Perfect metamaterial absorbers THz sensors THz spectroscopy

Anmerkung:	© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Übergeordnetes Werk:	Enthalten in: Plasmonics - New York, NY [u.a.] : Springer, 2006, 18(2023), 5 vom: 21. Juni, Seite 1933-1940
Übergeordnetes Werk:	volume:18 ; year:2023 ; number:5 ; day:21 ; month:06 ; pages:1933-1940

Links:	Volltext

DOI / URN:	10.1007/s11468-023-01914-w

Katalog-ID:	SPR053411587

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520			\|a Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands.
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allfields	10.1007/s11468-023-01914-w doi (DE-627)SPR053411587 (SPR)s11468-023-01914-w-e DE-627 ger DE-627 rakwb eng Rengasamy, Swathika verfasserin aut A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213 Natarajan, Radha aut Kuttathati Srinivasan, Vishvaksenan aut Enthalten in Plasmonics New York, NY [u.a.] : Springer, 2006 18(2023), 5 vom: 21. Juni, Seite 1933-1940 (DE-627)512879648 (DE-600)2237548-X 1557-1963 nnns volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940 https://dx.doi.org/10.1007/s11468-023-01914-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 5 21 06 1933-1940
spelling	10.1007/s11468-023-01914-w doi (DE-627)SPR053411587 (SPR)s11468-023-01914-w-e DE-627 ger DE-627 rakwb eng Rengasamy, Swathika verfasserin aut A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213 Natarajan, Radha aut Kuttathati Srinivasan, Vishvaksenan aut Enthalten in Plasmonics New York, NY [u.a.] : Springer, 2006 18(2023), 5 vom: 21. Juni, Seite 1933-1940 (DE-627)512879648 (DE-600)2237548-X 1557-1963 nnns volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940 https://dx.doi.org/10.1007/s11468-023-01914-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 5 21 06 1933-1940
allfields_unstemmed	10.1007/s11468-023-01914-w doi (DE-627)SPR053411587 (SPR)s11468-023-01914-w-e DE-627 ger DE-627 rakwb eng Rengasamy, Swathika verfasserin aut A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213 Natarajan, Radha aut Kuttathati Srinivasan, Vishvaksenan aut Enthalten in Plasmonics New York, NY [u.a.] : Springer, 2006 18(2023), 5 vom: 21. Juni, Seite 1933-1940 (DE-627)512879648 (DE-600)2237548-X 1557-1963 nnns volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940 https://dx.doi.org/10.1007/s11468-023-01914-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 5 21 06 1933-1940
allfieldsGer	10.1007/s11468-023-01914-w doi (DE-627)SPR053411587 (SPR)s11468-023-01914-w-e DE-627 ger DE-627 rakwb eng Rengasamy, Swathika verfasserin aut A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213 Natarajan, Radha aut Kuttathati Srinivasan, Vishvaksenan aut Enthalten in Plasmonics New York, NY [u.a.] : Springer, 2006 18(2023), 5 vom: 21. Juni, Seite 1933-1940 (DE-627)512879648 (DE-600)2237548-X 1557-1963 nnns volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940 https://dx.doi.org/10.1007/s11468-023-01914-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 5 21 06 1933-1940
allfieldsSound	10.1007/s11468-023-01914-w doi (DE-627)SPR053411587 (SPR)s11468-023-01914-w-e DE-627 ger DE-627 rakwb eng Rengasamy, Swathika verfasserin aut A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213 Natarajan, Radha aut Kuttathati Srinivasan, Vishvaksenan aut Enthalten in Plasmonics New York, NY [u.a.] : Springer, 2006 18(2023), 5 vom: 21. Juni, Seite 1933-1940 (DE-627)512879648 (DE-600)2237548-X 1557-1963 nnns volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940 https://dx.doi.org/10.1007/s11468-023-01914-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 5 21 06 1933-1940
language	English
source	Enthalten in Plasmonics 18(2023), 5 vom: 21. Juni, Seite 1933-1940 volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940
sourceStr	Enthalten in Plasmonics 18(2023), 5 vom: 21. Juni, Seite 1933-1940 volume:18 year:2023 number:5 day:21 month:06 pages:1933-1940
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Perfect metamaterial absorbers THz sensors THz spectroscopy
isfreeaccess_bool	false
container_title	Plasmonics
authorswithroles_txt_mv	Rengasamy, Swathika @@aut@@ Natarajan, Radha @@aut@@ Kuttathati Srinivasan, Vishvaksenan @@aut@@
publishDateDaySort_date	2023-06-21T00:00:00Z
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language_de	englisch
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author	Rengasamy, Swathika
spellingShingle	Rengasamy, Swathika misc Perfect metamaterial absorbers misc THz sensors misc THz spectroscopy A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications
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topic_title	A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications Perfect metamaterial absorbers (dpeaa)DE-He213 THz sensors (dpeaa)DE-He213 THz spectroscopy (dpeaa)DE-He213
topic	misc Perfect metamaterial absorbers misc THz sensors misc THz spectroscopy
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title	A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications
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title_full	A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications
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author_browse	Rengasamy, Swathika Natarajan, Radha Kuttathati Srinivasan, Vishvaksenan
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author-letter	Rengasamy, Swathika
doi_str_mv	10.1007/s11468-023-01914-w
title_sort	miniaturized penta-band metamaterial thz absorber for sensing and imaging applications
title_auth	A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications
abstract	Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstractGer	Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstract_unstemmed	Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. The variations in sensitivity for different sample thicknesses is smaller than6 GHz/μm in all the realized bands. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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title_short	A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications
url	https://dx.doi.org/10.1007/s11468-023-01914-w
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author2	Natarajan, Radha Kuttathati Srinivasan, Vishvaksenan
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up_date	2024-07-03T19:19:51.588Z
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract This paper presents the concept and design of a THz perfect metamaterial absorber (PMA) with a small footprint. The proposed PMA is developed on a polyimide substrate with a dielectric constant of 3.5. The unit cell PMA has four coupled arms with asymmetric convolution. The coupling between the arms defines the operational characteristics of the PMA. The proposed PMA is miniaturized with an asymmetric coupled arm with a physical dimension of 41 × 41 μm. The electrical size of the PMA is0.133λo × 0.133λo, where λo is highest operating wavelength. The proposed PMA offers five distinct absorption peaks at 0.97, 1.98, 2.65, 3.76, and 4.51 THz with absorptivity more than 98%. The PMA has a symmetrical configuration, and hence offers polarization-independent operation with angular stability up to 60°. The calculated average sensitivity and peak sensitivity of the five-band PMA are 17 GHz/PU and 88.5 GHz/PU at 2.95 THz respectively. 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A Miniaturized Penta-band Metamaterial THz Absorber for Sensing and Imaging Applications

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