Photonics Dictionary® Plus
Definitions of terms, abbreviations and acronyms related to photonics technology. This reference is in the form of a wiki, meaning the content can be edited and expanded by members of the photonics community.
optical beam steering
Directing an optical beam in varying directions by varying reflection, refraction, focusing and diffraction methods.
A unique collection of technical design and applications articles, as well as technology primers presenting the basics of the photonics technology.
Gaussian and Newtonian Thin Lens Formulas
Four important equations from which the image distance and the lateral magnification can be computed for an object at any arbitrary distance from a thin lens. Equation (1) is known as the Gaussian form of the lens equation, after the mathematician Karl F. Gauss. Equation (2), first derived by Sir Isaac Newton, is the Newtonian form of a lens equation. The Gaussian form is probably more familiar, but the Newtonian equation is algebraically simpler. Notice that in the former equation object and...
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Institut für Lasertechnologien