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The laser will take the missile away from the target

26.10.2010

Preparing for the wars of the present and future, the Americans do not get tired of developing means of protecting their military personnel. Helicopters are now successfully replacing cavalry, providing the transfer of troops over long distances. And they fight them with the help of small rockets equipped with a heat sensor to accurately hit the engine.

How to protect a helicopter from such a missile? Another method was proposed by University of Michigan professor Mohammed Islam, who founded his company and received a one million dollar grant from the army agency DARPA to create production.

At the heart of the protection is a supercontinuum fiber laser operating at medium infrared frequencies. Such lasers in the visible range emit light in a wide range of wavelengths. An infrared laser with a similar wide spectrum creates the illusion of a warm object, and the rocket flies towards this phantom, and not towards a real helicopter.

The laser created by Professor Islam, unlike other examples of such protection, has no moving parts, which reduces the price and increases reliability.

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Takahiro Matsui and his colleagues at Okayama University, Japan, calculated that there could be - in addition to the already modeled zeolite ice - an even less dense phase, which they called "air ice" (aeroice).

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