Table 5.

Second hyperpolarizability γ values of O‐doped PAHs dissolved in toluene, determined with 35 ps, 532 nm laser excitation.

Compound (λ max)[a]	Reγ [10−31 esu]	Imγ [10−31 esu]	γ [10−31 esu]		γ [10−31 esu]	Imγ [10−31 esu]	Reγ [10−31 esu]	Compound (λ max)[a]
8Fur (357 nm)	−0.0015±0.0003	–	0.0015±0.0003		0.013±0.002	0.0058±0.002	−0.012±0.002	8Pp (444 nm)
5Fur (477 nm)	−0.11±0.05	–	0.11±0.05		0.14±0.04	−0.099±0.003	0.094±0.001	5Pp (556 nm)
6Fur (534 nm)	−0.14±0.05	–	0.14±0.05		1.34±0.20	–	1.34±0.20	6Pp (639 nm)
4 (463 nm)	−0.025±0.005	–	0.025±0.005

[a] Wavelength of the lowest‐energy electronic transition in toluene.