Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer
Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high r...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Nguyen, Truong Khang [verfasserIn] Han, Haewook [verfasserIn] Park, Ikmo [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2012 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: International journal of infrared and millimeter waves - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980, 33(2012), 3 vom: 18. Feb., Seite 333-347 |
|---|---|
| Übergeordnetes Werk: |
volume:33 ; year:2012 ; number:3 ; day:18 ; month:02 ; pages:333-347 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10762-012-9876-z |
|---|
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| 520 | |a Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. | ||
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| 650 | 4 | |a Antenna efficiency |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a High input resistance |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Hemispherical lens |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Park, Ikmo |e verfasserin |4 aut | |
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10.1007/s10762-012-9876-z doi (DE-627)SPR01306424X (SPR)s10762-012-9876-z-e DE-627 ger DE-627 rakwb eng 530 ASE 33.00 bkl Nguyen, Truong Khang verfasserin aut Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. Terahertz antenna (dpeaa)DE-He213 Photomixer (dpeaa)DE-He213 GaAs membrane structure (dpeaa)DE-He213 Back excitation (dpeaa)DE-He213 Antenna efficiency (dpeaa)DE-He213 High input resistance (dpeaa)DE-He213 Hemispherical lens (dpeaa)DE-He213 Han, Haewook verfasserin aut Park, Ikmo verfasserin aut Enthalten in International journal of infrared and millimeter waves Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980 33(2012), 3 vom: 18. Feb., Seite 333-347 (DE-627)319583627 (DE-600)2016007-0 1572-9559 nnns volume:33 year:2012 number:3 day:18 month:02 pages:333-347 https://dx.doi.org/10.1007/s10762-012-9876-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 33.00 ASE AR 33 2012 3 18 02 333-347 |
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10.1007/s10762-012-9876-z doi (DE-627)SPR01306424X (SPR)s10762-012-9876-z-e DE-627 ger DE-627 rakwb eng 530 ASE 33.00 bkl Nguyen, Truong Khang verfasserin aut Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. Terahertz antenna (dpeaa)DE-He213 Photomixer (dpeaa)DE-He213 GaAs membrane structure (dpeaa)DE-He213 Back excitation (dpeaa)DE-He213 Antenna efficiency (dpeaa)DE-He213 High input resistance (dpeaa)DE-He213 Hemispherical lens (dpeaa)DE-He213 Han, Haewook verfasserin aut Park, Ikmo verfasserin aut Enthalten in International journal of infrared and millimeter waves Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980 33(2012), 3 vom: 18. Feb., Seite 333-347 (DE-627)319583627 (DE-600)2016007-0 1572-9559 nnns volume:33 year:2012 number:3 day:18 month:02 pages:333-347 https://dx.doi.org/10.1007/s10762-012-9876-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 33.00 ASE AR 33 2012 3 18 02 333-347 |
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10.1007/s10762-012-9876-z doi (DE-627)SPR01306424X (SPR)s10762-012-9876-z-e DE-627 ger DE-627 rakwb eng 530 ASE 33.00 bkl Nguyen, Truong Khang verfasserin aut Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. Terahertz antenna (dpeaa)DE-He213 Photomixer (dpeaa)DE-He213 GaAs membrane structure (dpeaa)DE-He213 Back excitation (dpeaa)DE-He213 Antenna efficiency (dpeaa)DE-He213 High input resistance (dpeaa)DE-He213 Hemispherical lens (dpeaa)DE-He213 Han, Haewook verfasserin aut Park, Ikmo verfasserin aut Enthalten in International journal of infrared and millimeter waves Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980 33(2012), 3 vom: 18. Feb., Seite 333-347 (DE-627)319583627 (DE-600)2016007-0 1572-9559 nnns volume:33 year:2012 number:3 day:18 month:02 pages:333-347 https://dx.doi.org/10.1007/s10762-012-9876-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 33.00 ASE AR 33 2012 3 18 02 333-347 |
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10.1007/s10762-012-9876-z doi (DE-627)SPR01306424X (SPR)s10762-012-9876-z-e DE-627 ger DE-627 rakwb eng 530 ASE 33.00 bkl Nguyen, Truong Khang verfasserin aut Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. Terahertz antenna (dpeaa)DE-He213 Photomixer (dpeaa)DE-He213 GaAs membrane structure (dpeaa)DE-He213 Back excitation (dpeaa)DE-He213 Antenna efficiency (dpeaa)DE-He213 High input resistance (dpeaa)DE-He213 Hemispherical lens (dpeaa)DE-He213 Han, Haewook verfasserin aut Park, Ikmo verfasserin aut Enthalten in International journal of infrared and millimeter waves Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980 33(2012), 3 vom: 18. Feb., Seite 333-347 (DE-627)319583627 (DE-600)2016007-0 1572-9559 nnns volume:33 year:2012 number:3 day:18 month:02 pages:333-347 https://dx.doi.org/10.1007/s10762-012-9876-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 33.00 ASE AR 33 2012 3 18 02 333-347 |
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10.1007/s10762-012-9876-z doi (DE-627)SPR01306424X (SPR)s10762-012-9876-z-e DE-627 ger DE-627 rakwb eng 530 ASE 33.00 bkl Nguyen, Truong Khang verfasserin aut Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. Terahertz antenna (dpeaa)DE-He213 Photomixer (dpeaa)DE-He213 GaAs membrane structure (dpeaa)DE-He213 Back excitation (dpeaa)DE-He213 Antenna efficiency (dpeaa)DE-He213 High input resistance (dpeaa)DE-He213 Hemispherical lens (dpeaa)DE-He213 Han, Haewook verfasserin aut Park, Ikmo verfasserin aut Enthalten in International journal of infrared and millimeter waves Dordrecht [u.a.] : Springer Science + Business Media B.V., 1980 33(2012), 3 vom: 18. Feb., Seite 333-347 (DE-627)319583627 (DE-600)2016007-0 1572-9559 nnns volume:33 year:2012 number:3 day:18 month:02 pages:333-347 https://dx.doi.org/10.1007/s10762-012-9876-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 33.00 ASE AR 33 2012 3 18 02 333-347 |
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A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. 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Full-Wavelength Dipole Antenna on a Hybrid GaAs Membrane and Si Lens for a Terahertz Photomixer |
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Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. |
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Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. |
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Abstract A full-wavelength dipole antenna on a GaAs membrane, covered with a silicon lens to improve the output power of a terahertz (THz) photomixer, is proposed. A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. The total efficiency of this structure is approximately 6.8 times that of a full-wavelength dipole antenna with the same hemisphere lens size while exhibiting slightly lower directivity. |
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A full-wavelength dipole antenna supported by a GaAs membrane structure has been proven to achieve both high input resistance and high radiation efficiency for improved overall efficiency. However, the antenna has insufficient directivity. An extended hemispherical lens was introduced in front of the antenna in a non-contact configuration and coupled to the antenna radiation to achieve high directivity by beam collimation. This approach greatly enhances the antenna directivity while avoiding an inherent obstacle of the input resistance reduction caused by the high permittivity lens substrate. The resulting antenna after optimization had a 3818-Ω input resistance and a 71.2% radiation efficiency, corresponding to approximately 57% total efficiency at the 1.07-THz resonance frequency. 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