Measurement of the nonlinear refractive index of air constituents at mid-infrared wavelengths.

We measure the nonlinear refractive index coefficients in N₂, O₂, and Ar from visible through mid-infrared wavelengths (λ=0.4-2.4  μm). The wavelengths investigated correspond to transparency windows in the atmosphere. Good agreement is found with theoretical models of χ((3)). Our results are essential for accurately simulating the propagation of ultrashort mid-infrared pulses in the atmosphere.

• Publication year

  2015

• Venue

  Optics Letters

• Publication date

  2015-09-08

• Fields of study

  Materials Science, Physics, Chemistry, Environmental Science, Medicine

• Identifiers
  DOI 10.1364/OL.40.005794arXiv 1509.02232PMID 26670514
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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