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2. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   Glow discharge light bulbs also can be used as holiday lights. The most common are neon, argon and mercury fluorescent lamps. They can glow in different colors, depending on the gas filling or the chemical composition of the phosphor. Neon lamps have a characteristic orange color, argon glow purple.

3. UV-B lamps - Wikipedia

   en.wikipedia.org/wiki/UV-B_lamps

   In contrast, fluorescent UVB lamps come in two types: broadband (or wideband) and narrowband. Broadband UVB lamps have a peak wavelength of 306 nanometers. Since only a small portion of their spectrum falls near the optimal 297 nanometers, these lamps require a higher dose of 0.5 joules per square centimeter.

4. Light fixture - Wikipedia

   en.wikipedia.org/wiki/Light_fixture

   Low-bay lighting with sphere outline. Chandelier – Branched ornamental light fixture designed to be mounted on ceilings; Pendant light – suspended from the ceiling with a chain or pipe. Sconce – provide up or down lights; can be used to illuminate artwork, architectural details; commonly used in hallways or as an alternative to overhead ...

5. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   Like all incandescent light bulbs, a halogen lamp produces a continuous spectrum of light, from near ultraviolet to deep into the infrared. [23] Since the lamp filament can operate at a higher temperature than a non-halogen lamp, the spectrum is shifted toward blue, producing light with a higher effective color temperature and higher power ...

6. Mercury-vapor lamp - Wikipedia

   en.wikipedia.org/wiki/Mercury-vapor_lamp

   Color corrected" mercury bulbs overcome this problem with a phosphor on the inside of the outer bulb that emits at the red wavelengths, offering whiter light and better color rendition. Mercury-vapor lights operate at an internal pressure of around one atmosphere and require special fixtures, as well as an electrical ballast. They also require ...

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!