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	ABCD Matrix	Finit-differens tidsdomän	Fouriers optik
Ämnesområde	Optik	Optik	Optik
Familj	Process / pipeline	Process / pipeline	Process / pipeline
Ursprungsår	1966	1966	1822
Upphovsperson	Herwig Kogelnik and Tingye Li	Kane Yee	Joseph Fourier and Ernst Abbe
Typ	Ray optics formalism	Finite-difference algorithm	Spectral decomposition method
Ursprungskälla	Kogelnik, H., & Li, T. (1966). Laser beams and resonators. Applied Optics, 5(10), 1550-1567.	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.	Goodman, J. W. (1968). Introduction to Fourier Optics. McGraw-Hill.
Alias	ray transfer matrix, ABCD method, system matrix	FDTD, Yee scheme	frequency-domain optics, wave optics, diffraction theory
Närliggande	3	3	3
Sammanfattning	The ABCD matrix, or ray transfer matrix method, is a compact algebraic framework for analyzing optical systems. Introduced by Kogelnik and Li in 1966, it represents the linear transformation of ray position and angle (or Gaussian beam parameters) through optical elements. This method is foundational in laser physics, Gaussian optics, and optical design, enabling rapid calculation of resonator stability, beam propagation, and system performance.	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.	Fourier optics is a mathematical framework that analyzes optical systems and phenomena using Fourier transforms and frequency-domain methods. Grounded in Joseph Fourier's 1822 work on heat diffusion and Ernst Abbe's microscopy theory, this approach decomposes optical fields into plane waves or spatial frequencies, revealing how optical systems manipulate and filter these components to produce images and transmit information.