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High Energy Liquid Laser Area Defense System : ウィキペディア英語版 | High Energy Liquid Laser Area Defense System
The High Energy Liquid Laser Area Defense System (HELLADS), is a Counter-RAM system under development that will use a powerful (150 kW) laser to shoot down missiles, rockets, and artillery shells. The initial system will be demonstrated from a static ground based installation, but in order to eventually be integrated on an aircraft, design requirements are maximum weight of 750 kg (1,650 lb) and maximum envelope of 2 cubic meters (70.6 feet3). Development is being funded by The Pentagon's Defense Advanced Research Projects Agency (DARPA). ==History== Liquid lasers that have large cooling systems can fire continuous beams, while solid state laser beams are more intense but must be fired in pulses to stop them from overheating. (However, as long as the heat transfer requirements are met solid state lasers can run continuously.) In the past, both types of lasers were very bulky because of their need for these huge cooling systems. The only aircraft in which they could fit were the size of jumbo jets. Need for such a system was reinforced during the 2006 Israel-Lebanon conflict. Israel had participated in similar work in the past by funding the Mobile Tactical High Energy Laser (MTHEL). This system was tested on August 24, 2004, and was found to be effective at neutralizing mortar threats under an actual scenario. However, this test was administered with short, 20 km range missiles.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「High Energy Liquid Laser Area Defense System」の詳細全文を読む
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