Experimental Study on Measuring Petzval Image Plane of Streak Tube with Single Image

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Abstract
In the process of image reconstruction of compressed sensing algorithms, building a measurement matrix related to the parameters of the imaging system is necessary to improve its imaging quality. Additionally, building a compressed ultrafast imaging system based on a streak camera, which includes aberrations in the imaging system, is necessary. However, the aberration coefficient of the streak tube can be obtained only by numerical calculation based on the known internal structure of the streak tube, and it does not apply to a tube with an unknown structure. Based on the Lagrange–Helmholtz relation, which is widely established in electronic optical imaging systems, this study proposes a method to obtain the Petzval image plane of a streak tube by measuring only a single image without considering the internal structure of the streak tube. This method provides a reference for the construction of the measurement matrix in the application of the compressed sensing algorithm; additionally, it provides a test scheme for the performance index of the streak tube after assembly in commercial production to further optimize the assembly process and improve the yield of production.
Funding Information
  • National Nature Science Foundations of China (NSFC) (12175153, 12075156, 2021A1515010048, 2019A1515011474, JCYJ20210324095007020, JCYJ20200109105201936, 20200803105052010, JCYJ20190808115605501)
  • Guangdong Basic and Applied Basic Research Foundation (12175153, 12075156, 2021A1515010048, 2019A1515011474, JCYJ20210324095007020, JCYJ20200109105201936, 20200803105052010, JCYJ20190808115605501)
  • Shenzhen Science and Technology Program (12175153, 12075156, 2021A1515010048, 2019A1515011474, JCYJ20210324095007020, JCYJ20200109105201936, 20200803105052010, JCYJ20190808115605501)

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