High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing
Abstract Fabry-Pérot (FP) microcavities have attracted tremendous attention in recent years due to their favorable optical characteristics of the high quality (Q) factor and small mode volume. In this work, we presented a novel approach that utilized the soft lithography and imprinting technology to...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2024-05-01
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| Series: | Photonic Sensors |
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| Online Access: | https://doi.org/10.1007/s13320-024-0716-2 |
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| author | Qi Wang Xuyang Zhao Man Luo Yuxiang Li Junjie Liu Xiang Wu |
| author_facet | Qi Wang Xuyang Zhao Man Luo Yuxiang Li Junjie Liu Xiang Wu |
| author_sort | Qi Wang |
| collection | DOAJ |
| description | Abstract Fabry-Pérot (FP) microcavities have attracted tremendous attention in recent years due to their favorable optical characteristics of the high quality (Q) factor and small mode volume. In this work, we presented a novel approach that utilized the soft lithography and imprinting technology to incorporate the convex micro-lens array structure into the FP (FP-lens) cavity. A strong mode-profile restriction of the micro-lens simultaneously reduced the mode volume and enhanced the Q factor, exhibiting high tolerance to non-parallelism of mirrors compared with that of the plane-plane FP (PP-FP) microcavities. In the experiment, the Q factor of the FP-lens cavity was measured to be 8.145×104, which exhibited a 5.6-fold increase than that of the PP-FP cavity. Furthermore, we experimentally measured the refractive index sensing performance of the FP-lens cavity with the sensitivity of 594.7 nm/RIU and a detection limit of 4.26×10−7 RIU. On the basis of this superior sensing performance, the FP-lens cavity has the great potential for applications in biosensors. |
| format | Article |
| id | doaj-art-e58a1680050a4869b89e15a0da5ddaad |
| institution | Kabale University |
| issn | 1674-9251 2190-7439 |
| language | English |
| publishDate | 2024-05-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Photonic Sensors |
| spelling | doaj-art-e58a1680050a4869b89e15a0da5ddaad2025-02-09T12:26:20ZengSpringerOpenPhotonic Sensors1674-92512190-74392024-05-0114411110.1007/s13320-024-0716-2High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index SensingQi Wang0Xuyang Zhao1Man Luo2Yuxiang Li3Junjie Liu4Xiang Wu5Key Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityKey Laboratory of Micro and Nano Photonic Structures, Department of Optical Science and Engineering, Fudan UniversityAbstract Fabry-Pérot (FP) microcavities have attracted tremendous attention in recent years due to their favorable optical characteristics of the high quality (Q) factor and small mode volume. In this work, we presented a novel approach that utilized the soft lithography and imprinting technology to incorporate the convex micro-lens array structure into the FP (FP-lens) cavity. A strong mode-profile restriction of the micro-lens simultaneously reduced the mode volume and enhanced the Q factor, exhibiting high tolerance to non-parallelism of mirrors compared with that of the plane-plane FP (PP-FP) microcavities. In the experiment, the Q factor of the FP-lens cavity was measured to be 8.145×104, which exhibited a 5.6-fold increase than that of the PP-FP cavity. Furthermore, we experimentally measured the refractive index sensing performance of the FP-lens cavity with the sensitivity of 594.7 nm/RIU and a detection limit of 4.26×10−7 RIU. On the basis of this superior sensing performance, the FP-lens cavity has the great potential for applications in biosensors.https://doi.org/10.1007/s13320-024-0716-2Fabry-Pérot cavitymicro-lens arraysoft lithography and imprinting technologyrefractive index sensing |
| spellingShingle | Qi Wang Xuyang Zhao Man Luo Yuxiang Li Junjie Liu Xiang Wu High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing Photonic Sensors Fabry-Pérot cavity micro-lens array soft lithography and imprinting technology refractive index sensing |
| title | High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing |
| title_full | High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing |
| title_fullStr | High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing |
| title_full_unstemmed | High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing |
| title_short | High-Q Fabry-Pérot Cavity Based on Micro-Lens Array for Refractive Index Sensing |
| title_sort | high q fabry perot cavity based on micro lens array for refractive index sensing |
| topic | Fabry-Pérot cavity micro-lens array soft lithography and imprinting technology refractive index sensing |
| url | https://doi.org/10.1007/s13320-024-0716-2 |
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