Inverse Opal Optical Tamm State for Sensing Applications
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866911879395278848 |
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| author | Mudi, Rina Carpentiero, Alessandro Bollani, Monica Barozzi, Mario Debnath, Kapil Chiappini, Andrea N, Shivakiran Bhaktha B. |
| author_facet | Mudi, Rina Carpentiero, Alessandro Bollani, Monica Barozzi, Mario Debnath, Kapil Chiappini, Andrea N, Shivakiran Bhaktha B. |
| contents | We report the existence of optical Tamm states (OTS) in inverse opal (IO) - based three-dimensional photonic crystal on a flat metal substrate, validated through both numerical simulations and experimental observations. Our fabrication approach for the Tamm inverse opal (Tamm-IO) structure is notably straightforward and does not involve corrosive chemicals. Upon infiltration of non-reactive solvents such as methanol and ethanol into the IO, a noticeable shift of the OTS, consistent with our simulations is observed, and the temporal dynamics of the same have been investigated. The experimentally obtained sensitivity is ~ 110 nm/RIU which is of the same order as the computed value, making the IO OTS to be an attractive sensing tool. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_10701 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Inverse Opal Optical Tamm State for Sensing Applications Mudi, Rina Carpentiero, Alessandro Bollani, Monica Barozzi, Mario Debnath, Kapil Chiappini, Andrea N, Shivakiran Bhaktha B. Optics We report the existence of optical Tamm states (OTS) in inverse opal (IO) - based three-dimensional photonic crystal on a flat metal substrate, validated through both numerical simulations and experimental observations. Our fabrication approach for the Tamm inverse opal (Tamm-IO) structure is notably straightforward and does not involve corrosive chemicals. Upon infiltration of non-reactive solvents such as methanol and ethanol into the IO, a noticeable shift of the OTS, consistent with our simulations is observed, and the temporal dynamics of the same have been investigated. The experimentally obtained sensitivity is ~ 110 nm/RIU which is of the same order as the computed value, making the IO OTS to be an attractive sensing tool. |
| title | Inverse Opal Optical Tamm State for Sensing Applications |
| topic | Optics |
| url | https://arxiv.org/abs/2405.10701 |