Abstract
Abstract We report an investigation of third-order optical nonlinearities in several amino acid solutions using the Z-scan technique with femtosecond laser pulses at 775 nm. The amino acid solutions studied are usually employed for crystal growth, which can be used for ultrashort-pulse second-harmonic generation. The nonlinear refractive index n 2 in these aqueous solutions has been determined to be in the range from 10 −17 to 10 −16 cm 2 /W (second hyperpolaribality γ ranging from 0.9×10 −36 to 3.3×10 −36 esu). No two-photon absorption was observed. The experimental second molecular hyperpolarizabilities obtained for each amino acid are in good agreement with semi-empirical AM1 calculations.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
