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July 1, 1971Journal of the Optical Society of America124 citations

Optical Constants of Water in the Infrared

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ARAlvin Neal RuskDWDudley WilliamsMQMarvin R. Querry

Key Points

  • This research aims to measure the infrared reflectance of water and calculate the refractive index based on these measurements.
  • Measured infrared reflectance of water from 5000 to 300 cm−1 at near-normal incidence and 53° incidence angle.
  • Obtained refractive index values by analyzing spectral reflectance and existing transmittance data.
  • Compared findings with recent determinations by other investigators.
  • Values for the real and imaginary parts of the refractive index of water were determined from the measurements.
  • The results are presented in graphical and tabular forms for clarity.
  • Comparison to recent data revealed consistency and corroboration with prior findings.

Abstract

The infrared reflectance of water in the region 5000–300 cm−1 has been measured at near-normal incidence and at an incidence angle of 53°. On the basis of the measured values of spectral reflectance and the existing data on spectral transmittance, we have obtained values for the real and imaginary parts of the refractive index of water. The resulting values, which are presented in both graphical and tabular form, are compared with recent determinations by other investigators.

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Cite This Study

Rusk et al. (1971) studied this question.

synapsesocial.com/papers/6a07e87592b01c49bd7356aahttps://doi.org/10.1364/josa.61.000895
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Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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