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April 16, 20260 citations

Remote Detection and Identification of Plastics with Raman Lidar

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TST. SomekawaSMS. MatsudaSKS. Kurahashi

Key Points

  • The aim is to develop a portable system for the remote detection of ocean plastics.
  • Developed a Raman lidar system utilizing a frequency-doubled, Q-switched Nd:YAG laser at 532 nm.
  • Equipped with an ICCD spectrometer for enhanced detection capabilities.
  • Achieved stand-off detection of plastics at a distance of 6 meters.
  • Successfully detected plastics at a distance of 6 meters.
  • Demonstrated feasibility for monitoring ocean plastic pollution with the portable system.

Abstract

We report a portable Raman lidar system that can remotely detect ocean plastics. The system is based on a frequency-doubled, Q-switched Nd:YAG laser operated at 532 nm with a receiver telescope equipped with a gated ICCD spectrometer. Stand-off detection of plastics is achieved at 6 m away, thus providing the groundwork for better solutions in monitoring ocean plastic pollution.

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Cite This Study

Somekawa et al. (2026) studied this question.

synapsesocial.com/papers/69e07e582f7e8953b7cbf5b4https://doi.org/10.1051/epjconf/202636205001/pdf
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