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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 35 — Dec. 10, 2011
  • pp: 6484–6485

Comment on “Precision refractive index measurements of air, N 2 , O 2 , Ar, and CO 2 with a frequency comb”

Petr Křen  »View Author Affiliations

Applied Optics, Vol. 50, Issue 35, pp. 6484-6485 (2011)

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The measured oxygen refractive index formulas are still not sufficient for precise metrological applications. Thus, a new dispersion formula for the molecular oxygen refractive index at standard conditions is derived. The agreement of the standard air refractive index obtained from indices of its components with recent dry air refractive index formulas is within a few billionths.

© 2011 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4530) Instrumentation, measurement, and metrology : Optical constants

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: June 20, 2011
Revised Manuscript: August 9, 2011
Manuscript Accepted: August 10, 2011
Published: December 2, 2011

Petr Křen, "Comment on “Precision refractive index measurements of air, N2, O2, Ar, and CO2 with a frequency comb”," Appl. Opt. 50, 6484-6485 (2011)

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  1. J. Zhang, Z. H. Lu, and L. J. Wang, “Precision refractive index measurements of air, N2, O2, Ar, and CO2 with a frequency comb,” Appl. Opt. 47, 3143–3151 (2008). [CrossRef] [PubMed]
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  5. K. P. Birch, “Precise determination of refractometric parameters for atmospheric gases,” J. Opt. Soc. Am. A 8, 647–651(1991). [CrossRef]
  6. L. R. Pendrill, “Density of moist air monitored by laser refractometry,” Metrologia 25, 87–93 (1988). [CrossRef]

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