手法を比較

	フーリエ光学	厳密結合波解析
分野	光学	光学
系統	Process / pipeline	Process / pipeline
提唱年	1822	1981
提唱者	Joseph Fourier and Ernst Abbe	M. G. Moharam and T. K. Gaylord
種類	Spectral decomposition method	Diffraction algorithm
原典	Goodman, J. W. (1968). Introduction to Fourier Optics. McGraw-Hill.	Moharam, M. G., & Gaylord, T. K. (1981). Rigorous coupled-wave analysis of planar-grating diffraction. Journal of the Optical Society of America, 71(7), 811-818.
別名	frequency-domain optics, wave optics, diffraction theory	RCWA method, coupled-wave method, diffraction grating analysis
関連	3	3
概要	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.	Rigorous Coupled-Wave Analysis is a semi-analytical computational method for solving Maxwell's equations in periodic structures such as diffraction gratings and photonic crystals. Developed by Moharam and Gaylord in 1981, RCWA expands the electromagnetic fields in each periodic region into Fourier series and couples the fields at interfaces, enabling accurate and efficient simulation of light diffraction, resonances, and wave propagation in structured media.