In Situ Underwater Electronic Holographic Camera for Studies of Plankton

  title={In Situ Underwater Electronic Holographic Camera for Studies of Plankton},
  author={Hongyue Sun and D. C. Hendry and Mack A. Player and John Watson},
  journal={IEEE Journal of Oceanic Engineering},
In this paper, we describe an underwater electronic holographic camera (eHoloCam) that has been developed for in situ studies of the distribution and dynamics of plankton and other marine organisms and particles. The eHoloCam uses an Nd-YAG pulsed laser to freeze-frame fast moving particles and a complementary metal-oxide-semiconductor (CMOS) sensor for high-resolution image capture. Digital holograms and holographic videos are recorded at rates from 5 to 25 Hz over a period of several hours… CONTINUE READING


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