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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 17 — Jun. 10, 2008
  • pp: 3143–3151

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

J. Zhang, Z. H. Lu, and L. J. Wang  »View Author Affiliations

Applied Optics, Vol. 47, Issue 17, pp. 3143-3151 (2008)

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We report precision measurements of the refractive indices of dry air, N 2 , O 2 , Ar, and C O 2 , performed by using a frequency comb as the light source in a Mach–Zehnder interferometer setup. Improved dispersion formulas for all gases are derived with a sensitivity level of 10 9 . These results are valid for a wavelength range from 740 to 860 nm and are in good agreement with measurements from other groups.

© 2008 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: March 5, 2008
Revised Manuscript: April 23, 2008
Manuscript Accepted: April 24, 2008
Published: June 2, 2008

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)

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