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By 1980 Livermore considered both nuclear bombs and nuclear reactors as viable energy sources for an x-ray laser. On November 14, 1980, the first successful test of the bomb-powered x-ray laser was conducted. The use of a bomb was initially supported over that of the reactor driven laser because it delivered a more intense beam.
The enhancement of the brightness compared to the unfocused output from the bomb is /, where is the efficiency of conversion from bomb X-rays to laser X-rays, and is the dispersion angle. [ 117 ] If a typical ICBM is 1 metre (3 ft 3 in) in diameter, at a distance of 1,000 kilometers (620 mi) represents a solid angle of 10 −12 steradian (sr).
A laser-guided bomb (LGB) is a guided bomb that uses semi-active laser guidance to strike a designated target with greater accuracy than an unguided bomb. First developed by the United States during the Vietnam War, laser-guided bombs quickly proved their value in precision strikes of difficult point targets. These weapons use on-board ...
The GBU-28 (Guided Bomb Unit‐28) is a 4,000-pound (1,800 kg) class laser-guided "bunker busting" bomb produced originally by the Watervliet Arsenal, Watervliet, New York. It was designed, manufactured, and deployed in less than three weeks due to an urgent need during Operation Desert Storm to penetrate hardened Iraqi command centers located ...
A related concept from the SDI project was the nuclear-pumped X-ray laser, an orbiting atomic bomb surrounded by laser media in the form of glass rods. When the bomb detonated, the rods would be exposed to highly-energetic gamma-ray photons, causing spontaneous and stimulated emission of X-ray photons within the rod atoms. This process would ...
The GBU-10 Paveway II is an American Paveway-series laser-guided bomb, based on the Mk 84 general-purpose bomb, but with laser seeking capabilities and wings for guidance.. Introduced into service c. 1976, it is used today by the USAF, US Navy, US Marine Corps, Royal Australian Air Force and various NATO air forc
The GBU-39/B Small Diameter Bomb (SDB) is a 250-pound (110 kg) precision-guided glide bomb that is intended to allow aircraft to carry a greater number of smaller, more accurate bombs. Most US Air Force aircraft will be able to carry (using the BRU-61/A rack [ 16 ] ) a pack of four SDBs in place of a single 2,000-pound (910 kg) Mark 84 bomb .
The GBU-12 Paveway II is an American aerial laser-guided bomb, based on the Mk 82 500 lb (230 kg) [3] general-purpose bomb, but with the addition of a nose-mounted laser seeker and fins for guidance. A member of the Paveway series of weapons, Paveway II entered into service c. 1976 .
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