Resonant nonlinear refraction of 4 – 5 − μ m light in CO and C O 2 gas

The resonant nonlinear refraction of 4–5-μm light in CO and CO2 gas at a peak intensity of 15MW/cm2 was demonstrated using time- and frequency-resolved measurements of self-focusing and self-defocusing. The nonlinearity of these molecular gases exhibits intensity-dependent sign reversals and a

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Bibliographic Details
Published in:Physical review. A 2021-10, Vol.104 (4), Article 043519
Main Authors: Pigeon, J. J., Tovey, D., Tochitsky, S. Ya, Louwrens, G. J., Ben-Zvi, I., Martyshkin, D., Fedorov, V., Karki, K., Mirov, S., Joshi, C.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
Nonlinear optical susceptibility
Nonlinear optics
Optics
Photorefractive & Kerr effects
Physics
Third order nonlinear optical processes
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Summary:The resonant nonlinear refraction of 4–5-μm light in CO and CO2 gas at a peak intensity of 15MW/cm2 was demonstrated using time- and frequency-resolved measurements of self-focusing and self-defocusing. The nonlinearity of these molecular gases exhibits intensity-dependent sign reversals and a
ISSN:2469-9926
2469-9934
DOI:10.1103/PhysRevA.104.043519