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Selecting Characteristic Raman Wavelengths to Distinguish Liquid Water, Water Vapor, and Ice Water
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  • Selecting Characteristic Raman Wavelengths to Distinguish Liquid Water, Water Vapor, and Ice Water
  • Selecting Characteristic Raman Wavelengths to Distinguish Liquid Water, Water Vapor, and Ice Water
저자명
Park. Sun-Ho,Kim. Yong-Gi,Kim. Duk-Hyeon,Cheong. Hai-Du,Choi. Won-Seok,Lee. Ji-In
간행물명
Journal of the Optical Society of Korea
권/호정보
2010년|14권 3호|pp.209-214 (6 pages)
발행정보
한국광학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The Raman shift of water vapor is 3657 $cm^{-1}$, and this Raman signal can be easily separated from other Raman signals or elastic signals. However, it is difficult to make simultaneous Raman measurements on the three phases of water, namely, ice water, liquid water, and water vapor. This is because we must consider the overlap between their Raman spectra. Therefore, very few groups have attempted to make Raman simultaneous measurements even on two elements (water vapor and liquid water, or water vapor and ice water). We have made an effort to find three characteristic Raman wavelengths that correspond to the three phases of water after measuring full Raman spectra of water on particular days that are rainy, snowy or clear. Finally, we have found that the 401-nm, 404-nm, and 408-nm wavelengths are the most characteristic Raman wavelengths that are representative of the water phases when we are using the 355-nm laser wavelength for making measurements.