Abstract
The two-photon absorption cross-sections of two novel derivatives of 5,5′-bis(diphenylphosphino)-2,2′-bithiophene have been measured using Z scans employing 27-ps pulses at multiple pulse energies, yielding values of 1500 ± 50 GM and 2830 ± 50 GM.
© 2009 Optical Society of America
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