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The hyperpolarizability of benzene measured in the presence of absorption

โœ Scribed by D.P. Shelton

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
294 KB
Volume
121
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

The second hyperpolarizabili[y (v) or benzene has been measured a~ X = 514.5 nm hy means or gns-phac cleclric-lield-induced second-harmonic gensration (ESHG). Although benzene shows one-photon absorpkm it1 the second-harmonic lrequcncg in this experiment. no signikanl imaginary pan is found for y. This result is reconciled wirh the result of a recenl expcrimrnl using a similar method.

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We have measured lhe second hyperpnlariwbility. y. of gaseous benzene nt 514.5 nm with t cw Ar ion laser usin\_e the technique of eleclric-fi;ld-induced second-harmonic genrmkn. under periodic phase-matching conditions and by mixing the benzene vnpour with a host gas (Ar or CO:). The use of mixtures