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Version 2 3/9/2003
Page made during August vacations
Self explanatory documents.
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A common fluorescent lamp, (DURALUX, Distributor : Duralamp SpA Florence - Italy) gets no warmer than 100 degrees Celsius, or 373 degrees Kelvin, yet emits light as a source with a temperature of 4000 degrees Kelvin .
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Making Green out of Infrared :
A publication from "Revue du Palais de la Decouverte", Paris, France.
April 1996, no 237, pg 44, 48
indicating photon frequency addition, Etotal = E+E = hν + hν = 2hν.
Infrared photons add up to Green photons.
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An experimental arrangement transforms 1064
nm infrared laser light to 532 nm green light.
Infrared photons add up to Green photons.
Reference from : American Journal of Physics, vol 68, issue 3, March 2000, pg 282.
Note : All green laser pointers sold nowadays, employ this or similar arrangements.
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Edmund Scientific - Industrial Optics Division, 1997 Optics and Instruments Catalog :
Sells an infrared detector screen, manufactured by Kodak(TM) emitting visible light photons, when irradiated with infrared photons. Screen's phosphor emits orange light (0.55 μm to 0.7 μm) from infrared photons.
Infrared photons add up to Orange photons.
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A red laser beam after passing through an Ammonium Dihydrogen Phosphate (ADP) crystal doubles its frequency to ultraviolet. Photographic film "sees" it as a blue colored light beam.
Life Science Library : ENERGY by Mitchell Wilson and the Editors of LIFE : pg 188.
(c) 1963 by Time Inc.
Red photons add up to produce Ultraviolet photons.
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Edmund Scientific - Industrial Optics Division. 1997 Optics and Instruments Catalog :
A demonstration of visible light emission, using infrared laser light illumination.
Infrared photons add up to visible photons.
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This chart by Edmund Industrial Optics (R) displays the visible light's shorter wavelengths and higher frequencies, emitted after stimulation from near-infrared photons longer wavelengths and lower frequencies.
Stimulation Range Band 1: from 790nm to 840nm Band 2: from 870nm to 1070nm Band 3: 1550nm
Emission Color Green (550nm), other peaks at Red (673nm) and Blue (400nm)
Near-Infrared photons add up to visible photons.
for more information : http://www.edmundoptics.com/IOD/DisplayProduct.cfm?Productid=1613