Jae Won Hahn and Eun Seong Lee, "Measurement of nonresonant third-order susceptibilities of various gases by the nonlinear interferometric technique," J. Opt. Soc. Am. B 12, 1021-1027 (1995)
We applied nonlinear interferometry of coherent anti-Stokes Raman spectroscopy (CARS) to measure the nonresonant third-order susceptibilities of various gases. Using argon as an internal calibration standard, we determined the effective nonresonant susceptibilities of acetylene, carbon dioxide, methane, nitrogen, oxygen, propane, carbon monoxide, Freon, and hydrogen from the amplitudes of the interference fringes of the CARS signals generated in the two gas cells. The electronic susceptibility was calculated by subtracting the off-resonant term of each molecule from the measured effective nonresonant susceptibility, and the results of this work are compared with the published data. The overall uncertainty is estimated to be less than 5%.
L. Sarger, P. Segonds, L. Canioni, F. Adamietz, A. Ducasse, C. Duchesne, E. Fargin, R. Olazcuaga, and G. Le Flem J. Opt. Soc. Am. B 11(6) 995-999 (1994)
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Ratio of the slope of the interference fringe of the sample gas to that of argon (estimated uncertainties are shown in parentheses).
The effective susceptibility
is calculated based on the value of the nonresonant susceptibility of argon (9.46 × 10−18 cm3/ergamagat) reported by Rosasco and Hurst.23
Table 2
Raman Cross Section and the Calculated Off-resonant Term
The uncertainties of the absolute values of the electronic susceptibility
listed in this table are estimated to be 10%.
IRS, inverse Raman spectroscopy, Refs. 23 and 28. Refs. 15 and 25.
EHSG, static electric-field-induced second-harmonic generation, Ref. 42.
Effective
obtained by comparing the absolute intensities of the nonresonant CARS signals of two gases in a USED CARS configuration.
CARS, Ref. 22.
CARS, Ref. 21, reevaluated data; see text.
Ratio of the slope of the interference fringe of the sample gas to that of argon (estimated uncertainties are shown in parentheses).
The effective susceptibility
is calculated based on the value of the nonresonant susceptibility of argon (9.46 × 10−18 cm3/ergamagat) reported by Rosasco and Hurst.23
Table 2
Raman Cross Section and the Calculated Off-resonant Term
The uncertainties of the absolute values of the electronic susceptibility
listed in this table are estimated to be 10%.
IRS, inverse Raman spectroscopy, Refs. 23 and 28. Refs. 15 and 25.
EHSG, static electric-field-induced second-harmonic generation, Ref. 42.
Effective
obtained by comparing the absolute intensities of the nonresonant CARS signals of two gases in a USED CARS configuration.
CARS, Ref. 22.
CARS, Ref. 21, reevaluated data; see text.