Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation
In this paper, we present a rapid beam-focusing method for multimode fiber (MMF) that integrates a Convolutional Neural Network (CNN) with a Spatial Light Modulator (SLM). This approach efficiently focuses light fields by training neural networks to approximate the transmission matrix of the optical...
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MDPI AG
2025-01-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/12/1/41 |
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| author | Rongjing Tong Anni Xu Hua Shen |
| author_facet | Rongjing Tong Anni Xu Hua Shen |
| author_sort | Rongjing Tong |
| collection | DOAJ |
| description | In this paper, we present a rapid beam-focusing method for multimode fiber (MMF) that integrates a Convolutional Neural Network (CNN) with a Spatial Light Modulator (SLM). This approach efficiently focuses light fields by training neural networks to approximate the transmission matrix of the optical system, eliminating the need for iterative calculations. Experimental results indicate that this method can generate focused spots within 200 ms, representing a significant improvement over traditional methods. Additionally, the feasibility of point-scanning imaging was verified using the USAF-1951 test target with a resolution greater than 7.81 μm. This advance is expected to improve the speed and accuracy of endoscopic imaging and other real-time imaging applications, potentially leading to more effective diagnostic tools and imaging technologies in medical and industrial settings. |
| format | Article |
| id | doaj-art-cfba54eabc5a4c22964c27e6d1c8dbaf |
| institution | Kabale University |
| issn | 2304-6732 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-cfba54eabc5a4c22964c27e6d1c8dbaf2025-01-24T13:46:18ZengMDPI AGPhotonics2304-67322025-01-011214110.3390/photonics12010041Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase ModulationRongjing Tong0Anni Xu1Hua Shen2MIIT Key Laboratory of Advanced Solid Laser, Nanjing University of Science and Technology, Nanjing 210094, ChinaMIIT Key Laboratory of Advanced Solid Laser, Nanjing University of Science and Technology, Nanjing 210094, ChinaMIIT Key Laboratory of Advanced Solid Laser, Nanjing University of Science and Technology, Nanjing 210094, ChinaIn this paper, we present a rapid beam-focusing method for multimode fiber (MMF) that integrates a Convolutional Neural Network (CNN) with a Spatial Light Modulator (SLM). This approach efficiently focuses light fields by training neural networks to approximate the transmission matrix of the optical system, eliminating the need for iterative calculations. Experimental results indicate that this method can generate focused spots within 200 ms, representing a significant improvement over traditional methods. Additionally, the feasibility of point-scanning imaging was verified using the USAF-1951 test target with a resolution greater than 7.81 μm. This advance is expected to improve the speed and accuracy of endoscopic imaging and other real-time imaging applications, potentially leading to more effective diagnostic tools and imaging technologies in medical and industrial settings.https://www.mdpi.com/2304-6732/12/1/41multimode fiberbeam focusingdeep learningscanning imagingwavefront shaping |
| spellingShingle | Rongjing Tong Anni Xu Hua Shen Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation Photonics multimode fiber beam focusing deep learning scanning imaging wavefront shaping |
| title | Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation |
| title_full | Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation |
| title_fullStr | Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation |
| title_full_unstemmed | Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation |
| title_short | Rapid Focused Spot Scanning Imaging Using Multimode Fiber with a Convolutional Neural Network-Based Phase Modulation |
| title_sort | rapid focused spot scanning imaging using multimode fiber with a convolutional neural network based phase modulation |
| topic | multimode fiber beam focusing deep learning scanning imaging wavefront shaping |
| url | https://www.mdpi.com/2304-6732/12/1/41 |
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