Journal of the Optical Society of Korea

  • 제16권4호
  • /
  • Pages.325-330
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  • 2012
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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Implementation of Differential Absorption LIDAR (DIAL) for Molecular Iodine Measurements Using Injection-Seeded Laser

  • Choi, Sungchul (Laboratory for Quantum Optics, Korea Atomic Energy Research Institute) ;
  • Baik, Sunghoon (Laboratory for Quantum Optics, Korea Atomic Energy Research Institute) ;
  • Park, Seungkyu (Laboratory for Quantum Optics, Korea Atomic Energy Research Institute) ;
  • Park, Nakgyu (School of Mechanical Engineering, Chonbuk National University) ;
  • Kim, Dukhyeon (Division of Cultural Studies, Hanbat National University)
  • 투고 : 2012.10.05
  • 심사 : 2012.10.22
  • 발행 : 2012.12.25
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초록

Differential absorption LIDAR (DIAL) is frequently used for atmospheric gas monitoring to detect impurities such as nitrogen dioxide, sulfur dioxide, iodine, and ozone. However, large differences in the on- and off-line laser wavelengths can cause serious errors owing to differential aerosol scattering. To resolve this problem, we have developed a new DIAL system for iodine vapor measurements in particular. The suggested DIAL system uses only one laser under seeded and unseeded conditions. To check the detection-sensitivity and error effects, we compared the results from a system using two seeded lasers with those from a system using a seeded and an unseeded laser. We demonstrate that the iodine concentration sensitivity of our system is improved in comparison to the conventional two seeded or two unseeded laser combinations.

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참고문헌

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피인용 문헌

  1. Airborne laser sensors and integrated systems vol.79, 2015, https://doi.org/10.1016/j.paerosci.2015.07.002