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Proceedings Paper

Holographic daylighting
Author(s): Jacques E. Ludman; Juanita R. Riccobono; Gajendra D. Savant; Joanna L. Jannson; Eugene Warren Campbell; Robyn Hall
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Paper Abstract

Daylighting techniques are an effective means of reducing both lighting and cooling costs; however, many of the standard techniques have flaws which reduce their effectiveness. Daylighting holograms are an efficient and effective method for diffracting sunlight up onto the ceiling, deep in a room, without diffracting the light at eye-level. They need only cover the top half of a window to produce significant energy savings. They may be used as part of a new glazing system or as a retrofit to existing windows. These holograms are broadband and are able to passively track the movement of the sun across the sky, throughout the day and year.

Paper Details

Date Published: 22 September 1995
PDF: 11 pages
Proc. SPIE 2532, Application and Theory of Periodic Structures, (22 September 1995); doi: 10.1117/12.221245
Show Author Affiliations
Jacques E. Ludman, Northeast Photosciences, Inc. (United States)
Juanita R. Riccobono, Northeast Photosciences, Inc. (United States)
Gajendra D. Savant, Physical Optics Corp. (United States)
Joanna L. Jannson, Physical Optics Corp. (United States)
Eugene Warren Campbell, Physical Optics Corp. (United States)
Robyn Hall, HOLOS Corp. (United States)


Published in SPIE Proceedings Vol. 2532:
Application and Theory of Periodic Structures
Tomasz Jannson, Editor(s)

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