A ‘must have’ for any lighting designer’. Both Imperial and Metric tables are included. Alternately you can determine what spread angle is required to provide a required beam width at a given distance. (Author: Donald Klipstein).īEAM SPREAD CALCULATOR – This quick reference finds BEAM WIDTH at any DISTANCE for any SPREAD ANGLE. This document (text only) contains links to other related chapters. ULTRAVIOLET (UV) LAMPS – a general introduction to the world of ultraviolet and UV lamps. THE BLUE LED – Some interesting information on the long awaited ‘blue’ l ight emitting diode. THE SULPHUR LAMP – Is this the lamp technology of the future? Here is alink to a FAQ regarding sulphur lamp technology. Includes theory of operation and other technical topics with many links. This links to ‘The Great Internet Light Bulb Page’. THE INCANDESCENT LAMP – an overview of the ‘light bulb’. (Authors: Sam Goldwasser & Donald Klipstein, 37k). Includes information on HID, LPS and NEON. THE GAS DISCHARGE LAMP – a general overview of gas discharge lighting,ballasts and fixtures. These indexed documents are for the intermediate to advanced reader and provide a good reference for the lighting design student. VISION – This site provides excellent information relating to vision and the anatomy of the human eye. An understanding of the mechanisms of vision and human perception are necessary for any designer and this is an excellent reference. THE JOY OF VISUAL PERCEPTION – This is an excellent web book (mostly graphics) relating to the human eye and brain process. Topics include light, reflection, refraction, polarization, lenses, optics, color, sources, IR, UV, lasers, electron microscopy, clouds, skies, rainbows – and much more.
LIGHTWRIGHT DEMO SERIES
LIGHT AND OPTICS – This is an excellent series of documents (with graphics) dealing with the nature of light. Also included are formulas and nice color CIE diagrams. This article helps find the CIE value of a color and then relates it to its RGB value. (Author: efg).ĬOLOR RENDERING OF SPECTRA – This is a short (technical) introduction to the CIE color system.
For the intermediate and advanced reader. Topics include color science, color theory, vision, color temperature, color calibration, color gamuts, color palettes, tutorials, projects and much more. (Author: Jeffrey Hightower).ĬOLOR REFERENCE LIBRARY – This single page has links to hundreds of color related documents, charts, graphics and tools. This simple (Java) application allows you to mix ‘in real time’ the 3 primary colors of light (red, green and blue) providing a nice demonstration of ‘additive’ color mixing. (Author: Charles Brush).ĬOLOR MIXING DEMONSTRATION – (Java Gel) Prove that Red and Green light really do mix to make Yellow. Links to graphics and photos are included – from The Museum of Electricity. (99 pages) (Author: Bill Williams).ĪRC LAMPS – a single page document that describes several early electric arc lamps (from about 1870).
This document is intended as a serious research tool for the lighting student or the experienced lighting professional. A HISTORY OF LIGHT AND LIGHTING – Lighting, from pre-history to modern day, all arranged in chronological order.
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