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| Z-scan× | Differenze Finite nel Dominio del Tempo× | |
|---|---|---|
| Campo | Ottica | Ottica |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1990 | 1966 |
| Ideatore≠ | Mansoor Sheik-Bahae, David Hagan, and Eric Van Stryland | Kane Yee |
| Tipo≠ | Measurement technique | Finite-difference algorithm |
| Fonte seminale≠ | Sheik-Bahae, M., Said, A. A., Wei, T. H., Hagan, D. J., & Van Stryland, E. W. (1990). Sensitive measurement of optical nonlinearities using a single beam. IEEE Journal of Quantum Electronics, 26(4), 760-769. DOI ↗ | Yee, K. S. (1966). Numerical solution of initial boundary value problems involving Maxwell's equations in isotropic media. IEEE Transactions on Antennas and Propagation, 14(3), 302-307. DOI ↗ |
| Alias | Z-scan method, nonlinear refraction measurement | FDTD, Yee scheme |
| Correlati | 3 | 3 |
| Sintesi≠ | The Z-scan technique is an experimental method for measuring nonlinear optical properties of materials, particularly third-order susceptibility and nonlinear absorption. Developed by Sheik-Bahae, Hagan, and Van Stryland in 1990, Z-scan uses a tightly focused laser beam and moves the sample along the beam propagation axis (z-axis), recording transmission variation to deduce nonlinear refraction and absorption coefficients with high sensitivity. | The Finite-Difference Time-Domain method is a computational technique for solving Maxwell's equations by discretizing space and time on a grid. Introduced by Kane Yee in 1966, FDTD is a foundational approach in computational electrodynamics and optical simulation, enabling direct modeling of electromagnetic wave propagation through complex media. |
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