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Pavement light
Videos
Pavement lights, vault lights, floor lights, or sidewalk prisms are flat-topped walk-on skylights, usually set into pavement or floors to let sunlight into the space below. They often use anidolic lig
Sidewalk prisms from above, with lights shining up from inside the hollow sidewalk. The purple shade has developed over a century. These are multi pri
Sidewalk prisms from above, with lights shining up from inside the hollow sidewalk. The purple shade has developed over a century. These are multi prisms; the ridges can be seen running vertically (see § Transparent elements).
A bathroom lit by vault lights
A bathroom lit by vault lights
The outside, showing the same vault lights from above (dark rectangles)
The outside, showing the same vault lights from above (dark rectangles)
Armoured glass in concrete
Armoured glass in concrete
Prism lighting
Videos
Prism lighting is the use of prisms to improve the distribution of light in a space. It is usually used to distribute daylight, and is a form of anidolic lighting.
Pavement light
…sidewalk prisms are flat-topped walk-on skylights, usually set into pavement (sidewalks) or floors to let sunlight into the space below. They often use anidolic lighting prisms to throw the light sideways under the building. They were developed in the 19th century, but declined in popularity with the advent of cheap electric…
Uneven light from a window.
Uneven light from a window.
The same light, redistributed by prism tiles in the window.
The same light, redistributed by prism tiles in the window.
Optimal daylighting of a room using prism lighting. Prism tile canopies outside send light skimming across the ceiling, so that it penetrates deeply i
Optimal daylighting of a room using prism lighting. Prism tile canopies outside send light skimming across the ceiling, so that it penetrates deeply into the room.
Suboptimal use of prism lighting. Daylight redirecting film stuck to the inside of the windows reflects light sharply up onto the ceiling, mostly ligh
Suboptimal use of prism lighting. Daylight redirecting film stuck to the inside of the windows reflects light sharply up onto the ceiling, mostly lighting the area nearest the window.