Simulation research of bionic image intensifier based on the retina structure of elephant-nose fish

• Autorzy: Zhang Hongxia , Jin Qingwen , Li Peng , Jia Dagong , Liu Tiegen

Identyfikatory

DOI

10.37190/oa200404

• Języki publikacji: EN

Abstrakty

EN

Enhancing image brightness under low light conditions is crucial. The traditional night vision technology depends on the development of photoelectric materials and accurate image processing algorithms. Inspired by the structure of elephant-nose fish, we construct a bionic image intensifier (BII) model. The BII is a planar array based on the concentrating principle of the compound parabolic concentrator (CPC). This solution is based on pure optical design and independent. Through light tracing, the simulation results show that the brightness of the image is improved and good image uniformity is obtained. Quantitative analysis of the geometric concentration ratio (GCR) and the image uniformity is used to optimize CPC structure parameters. At the same time, we also discuss the influence of CPC structural parameters on image continuity, uniformity and geometric concentration ratio. The optimization results are as follows: the input port diameter is 50 μm, the output port diameter is 10 μm, the height is 90 μm, the GCR is 5.61, and the image uniformity is 95.30%. The comprehensive performance of the BII achieves the best.

Słowa kluczowe

EN

geometric optical design; micro-optical device; image analysis; low-light night vision; bionic image intensifier

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2020
• Tom: Vol. 50, nr 4
• Strony: 551--566
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Zhang Hongxia

• College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
• Key Laboratory of Optoelectronics Information Technical Science, EMC, Tianjin 300072, China

autor

Jin Qingwen

• College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
• Key Laboratory of Optoelectronics Information Technical Science, EMC, Tianjin 300072, China

autor

Li Peng

• College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
• Key Laboratory of Optoelectronics Information Technical Science, EMC, Tianjin 300072, China

autor

Jia Dagong

• College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
• Key Laboratory of Optoelectronics Information Technical Science, EMC, Tianjin 300072, China

autor

Liu Tiegen

• College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
• Key Laboratory of Optoelectronics Information Technical Science, EMC, Tianjin 300072, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).