tracepro光学仿真分析软件术语
tracepro光学仿真分析软件术语摘录
tracepro光学仿真分析软件术语摘录:
Absorptance Fraction of incident flux absorbed by a surface. Absorption Process by which light is absorbed, either by a surface or by a bulk material. Absorption Coefficient Quantity used to calculate absorption through a media according to Beer's Low ACIS Industry standard geometric modeling engine from Spatial Technology. See www.spatial.com Area flux density Area flux density is the flux per unit area, or optical power per unit area on a surface. It is a descriptive term for the irradiance. Aspheric Aspheric sag equation is the general equation for specifying the shape of an optic surface. Axial Ray In an imaging system, the axial marginal ray passes through the center of the field of view (or image) and the edge of the aperture stop. Azimuthal Azimuthal average is an average value obtained by averaging around the azimuth direction in polar coordinates. Baffle Structure of four surfaces representing what is often called a baffle vane. A flat baffle might be a sheet of metal with a round hole cut in it and the edge of the hole sharpened like a razor. Four surfaces are used to represent the front and back surfaces, the angled ground edge, and the finite cross-sectional radius of the knife edge itself. |
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