Dispersion studies of optical nonlinearity and excited state dynamics in cyclo[4]naphthobipyrroles

- NLO studies of a novel class of materials belonging to cyclo[8]pyrrole family explored.
- Z-scan studies demonstrated strong 2PA absorption in the visible spectral region.
- Femtosecond pump-probe spectra at 600 nm illustrated double exponential decay.
- NLO coefficients, cross-sections, figures of merit were derived from these studies.