Σύγκριση μεθόδων

	ABCD Matrix	Μέθοδος Διάδοσης Δέσμης
Πεδίο	Οπτική	Οπτική
Οικογένεια	Process / pipeline	Process / pipeline
Έτος προέλευσης	1966	1978
Δημιουργός	Herwig Kogelnik and Tingye Li	Michael Feit and John Fleck
Τύπος	Ray optics formalism	Paraxial propagation algorithm
Θεμελιώδης πηγή	Kogelnik, H., & Li, T. (1966). Laser beams and resonators. Applied Optics, 5(10), 1550-1567.	Feit, M. D., & Fleck, J. A. (1978). Light propagation in graded-index optical fibers. Applied Optics, 17(24), 3990-3998.
Εναλλακτικές ονομασίες	ray transfer matrix, ABCD method, system matrix	BPM, paraxial approximation method
Συναφείς	3	3
Σύνοψη	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 Beam Propagation Method is a computational technique for simulating the propagation of optical beams through slowly varying, weakly guiding structures. Developed by Feit and Fleck in 1978, BPM exploits the paraxial approximation to reduce the full vector wave equation to a scalar or vector envelope equation, enabling efficient simulation of waveguides, integrated optics, and photonic devices.