Submillimeter and millimeter optical constants of liquid nitrogen

  • J. Benson
  • J. Fischer
  • D. A. Boyd


We present power absorption coefficient measurements of liquid nitrogen in the range 4–28 cm−1 and measurements of the average value of the refractive index for the range 4–10 cm−1. The measurements were performed with a polarizing Michelson interferometer. The power absorption coefficient rises quadratically from 0.006±0.002 nepers cm−1 at 4 cm−1 to 0.381±0.009 nepers cm−1 at 28 cm−1. The average value of the refractive index is 1.20±0.03 between 4 and 10 cm−1.

Key words

liquid nitrogen absorption coefficient refractive index submillimeter and millimeter optical constants blackbody calibration 


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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • J. Benson
    • 1
  • J. Fischer
    • 1
  • D. A. Boyd
    • 1
  1. 1.Laboratory for Plasma and Fusion Energy StudiesUniversity of MarylandCollege Park

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