পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| রিগোরাস কাপলড-ওয়েভ অ্যানালাইসিস× | বিম প্রোপাগেশন মেথড (Beam Propagation Method)× | ফাইনাইট-ডিফারেন্স টাইম-ডোমেইন× | |
|---|---|---|---|
| ক্ষেত্র | আলোকবিজ্ঞান | আলোকবিজ্ঞান | আলোকবিজ্ঞান |
| পরিবার | Process / pipeline | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1981 | 1978 | 1966 |
| প্রবর্তক≠ | M. G. Moharam and T. K. Gaylord | Michael Feit and John Fleck | Kane Yee |
| ধরন≠ | Diffraction algorithm | Paraxial propagation algorithm | Finite-difference algorithm |
| মৌলিক উৎস≠ | 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. DOI ↗ | Feit, M. D., & Fleck, J. A. (1978). Light propagation in graded-index optical fibers. Applied Optics, 17(24), 3990-3998. 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 ↗ |
| অপর নাম≠ | RCWA method, coupled-wave method, diffraction grating analysis | BPM, paraxial approximation method | FDTD, Yee scheme |
| সম্পর্কিত | 3 | 3 | 3 |
| সারসংক্ষেপ≠ | 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. | 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. | 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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