Physics – Optics
Scientific paper
Apr 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999rsci...70.2136l&link_type=abstract
Review of Scientific Instruments, Volume 70, Issue 4, pp. 2136-2139 (1999).
Physics
Optics
2
Image Transmission And Formation, Atmospheric Turbulence Effects, Data Acquisition: Hardware And Software, Speckle And Moire Patterns, Image Processing, Imaging Detectors And Sensors, Adaptive And Segmented Optics, Ground-Based Ultraviolet, Optical And Infrared Telescopes, Image Processing
Scientific paper
To measure the movement of atmospheric speckle patterns, we establish a new data acquisition system that consists of a 50 cm telescope, an intensified charge-coupled device (ICCD) camera, a photomultiplier with a pinhole, and two personal computers (PCs) including data acquisition hardware. This system is easy to establish and allows the capture of a high-resolution image. A simple positioning method of the pinhole in front of the photomultiplier is introduced. With 1500 pairs of the measurement data samples, a clear correlation peak can be found by processing them according to the general definition of correlation. Some measurement and analysis results are given.
Aruga Tadashi
Li Ruiming
Takabe Masao
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