Core-modified expanded porphyrins with large third-order nonlinear optical response |
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| Authors: | Rath Harapriya Sankar Jeyaraman Prabhuraja Viswanathan Chandrashekar Tavarekere K Nag Amit Goswami Debabrata |
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| Institution: | Department of Chemistry, Indian Institute of Technology, Kanpur 208 106, India. |
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| Abstract: | The third-order nonlinear optical response through measurement of two-photon absorption cross-sections (TPACS) for aromatic core-modified expanded porphyrin analogues by a femtosecond open aperture Z-scan method is reported. The values reported here are among the largest known so far in the literature for any organic molecules. |
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