All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance
This paper presents a terahertz (THz) metamaterial absorber made of stainless steel. We found that the absorption rate of electromagnetic waves reached 99.95% at 1.563 THz. Later, we analyzed the effect of structural parameter changes on absorption. Finally, we explored the application of the absorb...
| मुख्य लेखकों: | , , |
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| स्वरूप: | लेख |
| भाषा: | English |
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MDPI AG
2021-05-01
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| श्रृंखला: | Photonics |
| विषय: | |
| ऑनलाइन पहुंच: | https://www.mdpi.com/2304-6732/8/5/164 |
| _version_ | 1827692578434187264 |
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| author | Jing Yu Tingting Lang Huateng Chen |
| author_facet | Jing Yu Tingting Lang Huateng Chen |
| author_sort | Jing Yu |
| collection | DOAJ |
| description | This paper presents a terahertz (THz) metamaterial absorber made of stainless steel. We found that the absorption rate of electromagnetic waves reached 99.95% at 1.563 THz. Later, we analyzed the effect of structural parameter changes on absorption. Finally, we explored the application of the absorber in refractive index sensing. We numerically demonstrated that when the refractive index (<i>n</i>) is changing from 1 to 1.05, our absorber can yield a sensitivity of 74.18 μm/refractive index unit (RIU), and the quality factor (Q-factor) of this sensor is 36.35. Compared with metal–dielectric–metal sandwiched structure, the absorber designed in this paper is made of stainless steel materials with no sandwiched structure, which greatly simplifies the manufacturing process and reduces costs. |
| first_indexed | 2024-03-10T11:25:04Z |
| format | Article |
| id | doaj.art-a3c6fa7adf5f48df949ca32b5001d22b |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-10T11:25:04Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-a3c6fa7adf5f48df949ca32b5001d22b2023-11-21T19:44:46ZengMDPI AGPhotonics2304-67322021-05-018516410.3390/photonics8050164All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing PerformanceJing Yu0Tingting Lang1Huateng Chen2Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaThis paper presents a terahertz (THz) metamaterial absorber made of stainless steel. We found that the absorption rate of electromagnetic waves reached 99.95% at 1.563 THz. Later, we analyzed the effect of structural parameter changes on absorption. Finally, we explored the application of the absorber in refractive index sensing. We numerically demonstrated that when the refractive index (<i>n</i>) is changing from 1 to 1.05, our absorber can yield a sensitivity of 74.18 μm/refractive index unit (RIU), and the quality factor (Q-factor) of this sensor is 36.35. Compared with metal–dielectric–metal sandwiched structure, the absorber designed in this paper is made of stainless steel materials with no sandwiched structure, which greatly simplifies the manufacturing process and reduces costs.https://www.mdpi.com/2304-6732/8/5/164metamaterial absorberstainless steelrefractive index sensingsensitivity |
| spellingShingle | Jing Yu Tingting Lang Huateng Chen All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance Photonics metamaterial absorber stainless steel refractive index sensing sensitivity |
| title | All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance |
| title_full | All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance |
| title_fullStr | All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance |
| title_full_unstemmed | All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance |
| title_short | All-Metal Terahertz Metamaterial Absorber and Refractive Index Sensing Performance |
| title_sort | all metal terahertz metamaterial absorber and refractive index sensing performance |
| topic | metamaterial absorber stainless steel refractive index sensing sensitivity |
| url | https://www.mdpi.com/2304-6732/8/5/164 |
| work_keys_str_mv | AT jingyu allmetalterahertzmetamaterialabsorberandrefractiveindexsensingperformance AT tingtinglang allmetalterahertzmetamaterialabsorberandrefractiveindexsensingperformance AT huatengchen allmetalterahertzmetamaterialabsorberandrefractiveindexsensingperformance |