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SBIR-STTR Award
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SBIR-STTR Award
10
Holographic Sunlight Distribution For High Efficiency Greenhouses
Award last edited on: 11/27/02
Sponsored Program
SBIR
Awarding Agency
USDA
Total Award Amount
$275,000
Award Phase
2
Solicitation Topic Code
-----
Principal Investigator
R A Bradbury
Company Information
Photics
98 Old Lowell Road
Westford, MA 01886
(508) 692-7997
N/A
N/A
Location:
Single
Congr. District:
03
County:
Middlesex
Phase I
Contract Number:
----------
Start Date:
00/00/00
Completed:
00/00/00
Phase I year
1984
Phase I Amount
$45,000
Greenhouses must meet the conflicting requirements of both admitting substantial amounts of sunlight to the entire growing area of providing very substantial insulation to reduce heat loss in winter and minimize ventilation and cooling costs. Broad bandwidth holograms that are designed to redirect the portions of the solar spectrum required for plant growth can be an ideal solution for admitting and distributing light. The specific applications range from daylight control in conventional greenhouses to innovative greenhouse designs that utilize the ability of holograms to direct light from a building aperture to the interior. Both the diurnal and annual variations can be accommodated so that the desired area is illuminated by a passive holographic system.
Phase II
Contract Number:
----------
Start Date:
00/00/00
Completed:
00/00/00
Phase II year
1985
Phase II Amount
$230,000
Greenhouses must meet the conflicting requirements of both admitting substantial amounts of sunlight to the entire growing area of providing very substantial insulation to reduce heat loss in winter and minimize ventilation and cooling costs. Broad bandwidth holograms that are designed to redirect the portions of the solar spectrum required for plant growth can be an ideal solution for admitting and distributing light. The specific applications range from daylight control in conventional greenhouses to innovative greenhouse designs that utilize the ability of holograms to direct light from a building aperture to the interior. Both the diurnal and annual variations can be accommodated so that the desired area is illuminated by a passive holographic system.
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