728x90 3. OPTICAL PROXIMITY CORRECTION TECH/0.OPC IMAGING THEORY13 interference * interference The overlapping of several waves to create or cancel new waves is called interference. The conditions for interference to occur must be coherent. In Young's double-slit experiment, interference fringes appear, showing constructive interference (bright parts) and destructive interference (dark parts). What matters is the presence of a single slit placed in front of the double slit(.. 2023. 1. 20. Diffraction & Refraction * Diffraction Diffraction is a phenomenon in which a wave spreads from the end of a small gap or returns to the shadow of an obstacle. Huygens principle is the principle that countless spherical waves are generated at each wavefront point, and the wavefront of the next moment is created by overlapping the countless spherical waves. When the slit width is greater than the wavelength, the diffract.. 2023. 1. 20. Maxwell's Equation Maxwell's equations may be combined to demonstrate how fluctuations in electromagnetic fields (waves) propagate at a constant speed in vacuum, c (299,792,458 m/s) Typically, the wave equation of an electromagnetic wave can be expressed as a combination of the following four equations. Maxwell's equations are a set of four partial differential equations that describe the behavior of electromagnet.. 2023. 1. 20. 이전 1 2 다음 728x90