• Title/Summary/Keyword: 크세논 광

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A New Small Size Digital Optical Ozone Monitor Using CCD Array as a UV Detector (UV 감지기로서 CCD어레이를 사용한 소형 디지털 광 오존모니터)

  • Chung, Wan-Young;Lee, Seung-Chul
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.12 no.1
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    • pp.158-163
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    • 2008
  • Ozone monitor based on UV techniques has been widely used due to their signal stability. The high concentration ozone monitor for real time ozone monitoring from ozone generator was composed of a low pressure mercury lamp as UV source and a photo multiplier tube as UV detector. The structure could be very useful for low price high concentration ozone monitor and showed good linearity to ozone in the concentration range between 0.05 and 2wt%. For accurate ambient ozone monitoring, the system composed of a high power pulsed xenon lamp as UV source, an optical spectrometer with a high sensitivity linear CCD array as UV detector. The optical signal form the CCD array was converted to digital signal, and the digital signal was displayed on screen using PC interface. The developed system showed good linearity and sensitivity in relatively low measuring range between 10ppm and 10,000ppm, and showed some feasibility of hish resolution ozone monitor using CCD array as a photodetecor.