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Third-Order Nonlinear Optical Properties of Pseudoazulenes

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Samoć M., Świątkiewicz J., Samoć A., Luther-Davies B., Olszowski A.

Acta Physica Polonica A

1995

vol. 88

issue 2

411-416

The hyperpolarizabilities of several pseudoazulenes are evaluated using a semiempirical quantum chemistry package MOPAC-93 and compared with hyperpolarizabilities of simple molecules like chloroform, benzene, naphthalene and azulene. The third-order hyperpolarizability γ is measured for a derivative of 1,2-5,6 dibenzoxalene using a femtosecond Z-scan method at 800 nm. The resulting hyperpolarizability of 1.7×10-34 esu corroborates the theoretical prediction that pseudoazulene structures behave similar to other aromatic molecules provided the experiments are carried out in a non-resonant regime.

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1 Acta Physica Polonica A

1 1995

1 Luther-Davies B.

1 Olszowski A.

1 Samoć A.

1 Samoć M.

1 Świątkiewicz J.

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Third-Order Nonlinear Optical Properties of Pseudoazulenes