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The High Energy Laser with Integrated Optical-dazzler and Surveillance (HELIOS) is a Lockheed Martin-developed 300 Kilowatt high-energy laser weapon designed to intercept combat drones, fast-attack craft, and missiles. [1] After winning the contract in 2018, the first announced installation was on the USS Preble (DDG-88) in 2019. [2]
An Er:glass laser (erbium-doped glass laser) is a solid-state laser whose active laser medium is erbium-doped glass. Ytterbium (Yb) is sometimes added to these lasers to improve their efficiency. Er:glass lasers emit light in the infrared region of the electromagnetic spectrum, often in the range of 1530–1560 nanometers .
Astronomer George Ellery Hale, whose vision created Palomar Observatory, built the world's largest telescope four times in succession. [8] He published a 1928 article proposing what was to become the 200-inch Palomar reflector; it was an invitation to the American public to learn about how large telescopes could help answer questions relating to the fundamental nature of the universe.
The Hale Telescope is a 200-inch (5.1 m), f / 3.3 reflecting telescope at the Palomar Observatory in San Diego County, California, US, named after astronomer George Ellery Hale. With funding from the Rockefeller Foundation in 1928, he orchestrated the planning, design, and construction of the observatory, but with the project ending up taking ...
Powerful laser guide star system at the Paranal Observatory. The actual laser guide star is the small spot above the apparent end of the laser beam. A laser guide star is an artificial star image created for use in astronomical adaptive optics systems, which are employed in large telescopes in order to correct atmospheric distortion of light (called astronomical seeing).
PGM 500 PGM 2000. The PGM 500 and PGM 2000 are guided bombs developed by Alenia Marconi Systems and now marketed by MBDA. The PGM 500 carries a 500 lb (227 kg) warhead, and the PGM 2000 a 2000 lb (909 kg) one. The weapons are available with interchangeable laser, TV, or infra-red seekers. The PGM 500 is known as the Hakim in United Arab ...
Palomar 14 is a globular cluster located in the constellation Hercules. It is a member of the Palomar Globular Clusters group. Palomar 14 was discovered in 1958 by Sidney van den Bergh and Halton Arp during inspection of the photographic plates from the Palomar Sky Survey. [3] This is a round, diffuse cluster located in the outer halo of the ...
Far-infrared laser or terahertz laser (FIR laser, THz laser) is a laser with output wavelength in between 30 and 1000 μm (frequency 0.3-10 THz), in the far infrared or terahertz frequency band of the electromagnetic spectrum. FIR lasers have application in terahertz spectroscopy, terahertz imaging as well in fusion plasma physics diagnostics.