Diffused lighting camouflage
Active camouflage system for Second World War ships / From Wikipedia, the free encyclopedia
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Diffused lighting camouflage was a form of active camouflage using counter-illumination to enable a ship to match its background, the night sky, that was tested by the Royal Canadian Navy on corvettes during World War II. The principle was discovered by a Canadian professor, Edmund Godfrey Burr, in 1940. It attracted interest because it could help to hide ships from submarines in the Battle of the Atlantic, and the research project began early in 1941. The Royal Navy and the US Navy carried out further equipment development and trials between 1941 and 1943.
Keywords | Active camouflage Counter-illumination |
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Project type | Military research |
Funding agency | Royal Canadian Navy |
Objective | Make brightness of ships match their backgrounds |
Duration | 1941 – 1943 |
The concept behind diffused lighting camouflage was to project light on to the sides of a ship, to make its brightness match its background. Projectors were mounted on temporary supports attached to the hull and the prototype was developed to include automatic control of brightness using a photocell. The concept was never put into production, though the Canadian prototypes did briefly see service. The Canadian ideas were adapted by the US Air Force in its Yehudi lights project.