Measurements of hyperpolarizabilities for some halogenated methanes | Zendy

R. S. Finn | Zendy; John F. Ward | Zendy

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Measurements of hyperpolarizabilities for some halogenated methanes

Author(s) -

R. S. Finn,

John F. Ward

Publication year - 1974

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.1681062

Subject(s) - hyperpolarizability , additive function , dipole , chemistry , second harmonic generation , molecule , kerr effect , computational chemistry , mixing (physics) , nonlinear optics , molecular physics , polarizability , optics , nonlinear system , physics , organic chemistry , quantum mechanics , mathematics , mathematical analysis , laser

dc Electric‐field induced optical second‐harmonic generation has been measured for CH4, CH3F, CH2F2, CHF3, CF4, CClF3, and CBrF3. For CH4 and CF4 the third order hyperpolarizability χ(−2ω; 0,ω,ω) is obtained directly. For the other (dipolar) molecules, a bond additivity estimate for χ(−2ω; 0,ω,ω) is used to extract the second order hyperpolarizability χ(−2ω;ω,ω).Results are compared with various data from the literature: calculated hyperpolarizabilities, and measurements of optical harmonic generation, optical mixing and the Kerr effect. The degree of consistency of the experimental data with a bond additivity model is discussed

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