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Coherent was founded as II-VI Incorporated in 1971 by Carl Johnson and James Hawkey. [5] [6] The name "II-VI" is a reference to the groups II and VI in the periodic table, since the company started its business by producing cadmium telluride (cadmium belongs to group II and tellurium belongs to group VI). [7]
Vertu Corporation, d/b/a C-MORE Systems, [1] is an American manufacturer of firearms and firearm accessories. Vertu was established in Manassas, Virginia [2] in 1993 and the C-MORE Competition name was established in 1999. [3] Its primary products are red dot sights, marketed as being for M1911 pistols, Glock pistols, and AR-15s.
A pair of marines scan with M16A4 rifles in Fallujah, Iraq (December 2004); the one in the foreground has an ITL MARS attached via a MIL-STD-1913 "Picatinny rail".. The ITL MARS (multi-purpose aiming reflex sight) is a gun sight that combines two sighting devices, a reflex sight and a laser sight, as well as a backup iron sight.
In 2010, the company added almost 100 employees, bringing total employment to almost 700 by November of that year. [1] In late 2010, a Portland Business Journal article gave the company's annual revenue as approximately $160 million, citing Reference.com for the estimate. [1] A new chief executive, Bruce Pettet, was named in February 2014. [11]
NOBLEX E-Optics GmbH, formerly Docter Optics, is a German manufacturer of optics, including binoculars, rifle scopes, spotting scopes, red dot sights, flashlights and reading glasses. Its headquarters are in Eisfeld, Thuringia, Germany, where most of the products are developed and manufactured. Docter is part of the Analytik Jena Group. [1]
This will also have the effect of magnifying the sight so the red dot or holographic reticle will appear larger as well. When flipped in, the user will also have to account for parallax and eye relief. The non-magnified optic and the magnifier is placed so that the user will have the correct amount of eye relief when looking through the ...
The CDI was designed to interpret a signal from a VOR, LDA, or ILS receiver. These receivers output a signal composed of two AC voltages. When used with a VOR, a converter decodes this signal, and, by determining the desired heading or radial from a resolver connected to the OBS knob, provides a 150mV control signal to drive the CDI needle left or right.
Detection in the MWIR and LWIR windows is obtained using 30% [(Hg 0.7 Cd 0.3)Te] and 20% [(Hg 0.8 Cd 0.2)Te] cadmium respectively. HgCdTe can also detect in the short wave infrared SWIR atmospheric windows of 2.2 to 2.4 μm and 1.5 to 1.8 μm. HgCdTe is a common material in photodetectors of Fourier transform infrared spectrometers. This is ...