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Black light lamps give off long-wave UV-A radiation of around 350-400 nm. They are often used to attract insects to traps. ... T12 single-pin 4 ft (1,219 mm) 39 ...
LED tubes. LED tube is a type of LED lamp used in fluorescent tube luminaires with G5 and G13 bases to replace traditional fluorescent tubes. [1] As compared to fluorescent tubes, the most important advantages of LED tubes are energy efficiency and long service life. LED tubes are sometimes also referred to as ‘LED fluorescent tubes’.
The largest single loss in modern lamps is due to the lower energy of each photon of visible light, compared to the energy of the UV photons that generated them (a phenomenon called Stokes shift). Incident photons have an energy of 5.5 electron volts but produce visible light photons with energy around 2.5 electron volts, so only 45% of the UV ...
When large quantities of light are needed, many light sources such as LED chips are usually deployed, which are difficult to focus or collimate on the same target. Area light source: Single LEDs do not approximate a point source of light giving a spherical light distribution, but rather a lambertian distribution. So, LEDs are difficult to apply ...
LED fixtures typically come with multiple colors of LED lights. Color theory shows that mixing the primary colors of light will make white light. Therefore, through color mixing, LED's can form a wide variety of colors from white light to deep primary colors to many others. This reduces the time taken to change the color of an already hung fixture.
SGM Technology for Lighting was founded in 1975 in Italy, by Gabriele Giorgi and Maurizio Guidi — the company name a truncation of ‘Societa Gabriele Maurizio’.In the early days they were known for producing a diverse catalogue of products for the emerging disco industry — ranging from illuminated dancefloor modules, ‘bubblesmoke’ machines and controllers — from their base in Pesaro.
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