The Airborne Laser

Lamberson, Steven E.; Schall, H.; Shattuck, Paul L.

doi:10.1117/12.482116

Cited by 12 publications

(4 citation statements)

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“…The U.S. Air Force's Airborne Laser program demonstrated directed energy's ability against a ballistic missile; however, the system was massive requiring structural modifications to a 747-400 freight aircraft in order to carry the megawatt class Chemical Oxygen Iodine Laser (COIL) as well as the supporting crew and equipment [1]. Focusing and steering of the high energy laser was accomplished through a 1.5 m mirror housed inside a swiveling turret located at the nose of the aircraft to reduce the negative effects of turbulent airflow across the turret [2].…”

Section: Introductionmentioning

confidence: 99%

Detection and correction of stair mode across an optical phased array

Wyman

Hyde

2014

2014 IEEE Aerospace Conference

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A conceptual system capable of detecting the occurrence of stair mode across an optical array has been developed and studied. This conceptual system utilizes a single camera, referred to as the stair mode imager, to image the irradiance pattern produced at the target. The collected image is then cross-correlated with a database of theoretical stair mode images to estimate the amount of stair mode across the array. Previous studies have been limited to computer simulations and are expanded here into hardware-based experimentation. These experiments further study the effects of stair mode and are aimed at validating previous simulation findings and further characterizing the ability and constraints of the stair mode imager.

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Section: Introductionmentioning

confidence: 99%

Detection and correction of stair mode across an optical phased array

Wyman

Hyde

2014

2014 IEEE Aerospace Conference

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“…Compared with traditional weapons, laser weapons are superior on high-speed spreading, no-recoil, high precision, almost infinite, more powerful and anti-jamming [1] . Typical laser weapon system includes ABL [2] from America and JHPSSL [3] . The main attack objects of these weapons are aero targets, such as aero planes, missiles and satellites.…”

Section: Introductionmentioning

confidence: 99%

Laser Ablation Resistance Behavior of Organosilicone Composite Coating on Various Substrates

Guan

Zhang

et al. 2014

MSF

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In modern combat, laser weapons are widely used due to their high precision, velocity and heat detriment. Hence, it is of great importance to fabricate protective coating on the surface of core components, i.e. gasoline tank and aerofoil. In this study, an organosilicone composite coating was prepared on steel and aluminum substrates through a simple spray process to resist laser ablation destroy. This composite coating consists of organic resin base and inorganic functional fillings, which were made up of glass powder with high melting point materials such as SiO2, BN and ZrO2etc. Laser ablation resistance behavior was studied by means of oxyacetylene torch and laser irradiation. Results demonstrate that the coating presents excellent heat resistant behavior under 3000°C. Moreover, after impulse laser attack up to 105W/cm2, both substrates remain unhurt. As a result, this organosilicone composite coating can be used for anti-laser application in various fields.

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“…The chemically pumped oxygen-iodine energy transfer laser (COIL) is being developed because of its several merits conpared with CO 2 lasers and YAG lasers: for example, very high power (7 -800 kW), 4) very high efficiency (40% chemical), 5) very good transmission through silicate fiber (0.2 -0.3 dB/km loss), 6) modulation possibility of very high power output, 7) possibility of very good beam quality, 8) and mobility of the laser system because a large electric energy source is not necessary for COIL. 9) COIL has been developed for military application in the U.S.A., for example, shooting missiles from an airplane (Airborne Laser).…”

Section: Introductionmentioning

confidence: 99%

“…9) COIL has been developed for military application in the U.S.A., for example, shooting missiles from an airplane (Airborne Laser). 4) However, it has been developed for industrial applications in Japan: cutting, welding, and decommissioning of nuclear facilities. 10) In addition, it has become clear that COIL is the most suitable laser for the extraction of methane from methane hydrate.…”

Section: Introductionmentioning

confidence: 99%

Off-Axis Confocal Unstable Resonator for Large-Bore High-Power Laser Chemical Pumped Oxygen–Iodine Energy Transfer Laser

Nishimura

Sunako

Fujioka

2006

jjap

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An exotic resonator called the off-axis confocal unstable resonator is analyzed for large-bore low-gain high-saturation-intensity high-power lasers such as chemical pumped oxygen–iodine energy transfer laser (COIL), for which suitable resonators with high beam quality have not existed until now. The result of the calculations clearly showed that the off-axis confocal unstable resonator could produce multi-kW output with excellent beam quality for COIL.

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The Airborne Laser

Cited by 12 publications

References 0 publications

Detection and correction of stair mode across an optical phased array

Detection and correction of stair mode across an optical phased array

Laser Ablation Resistance Behavior of Organosilicone Composite Coating on Various Substrates

Off-Axis Confocal Unstable Resonator for Large-Bore High-Power Laser Chemical Pumped Oxygen–Iodine Energy Transfer Laser

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