Light beam

（重定向自Lightbeam）

A Symphony of Lights in Victoria Harbour, Hong Kong[1]

Light beams were used to symbolize the missing towers of the World Trade Center as part of the Tribute in Light.

A natural lightbeam in the Majlis al-Jinn (literally 'Meeting place of the jinn') cave in Oman

Beams shining through water-based haze in a photo studio setting.

A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows. To artificially produce a light beam, a lamp and a parabolic reflector is used in many lighting devices such as spotlights, car headlights, PAR Cans and LED housings. Light from certain types of laser has the smallest possible beam divergence.

单词	Lightbeam
释义	Lightbeam 英语百科 Light beam （重定向自Lightbeam） A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows. To artificially produce a light beam, a lamp and a parabolic reflector is used in many lighting devices such as spotlights, car headlights, PAR Cans and LED housings. Light from certain types of laser has the smallest possible beam divergence.
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