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In 2022, II-VI acquired laser manufacturer Coherent, Inc.. [14] and took the name Coherent Corp. Carl Johnson served as II-VI's first CEO from 1985 to 2007. He stepped down as CEO in 2007 and was named chairman of the board, a position he held until 2014. [15] Johnson was succeeded as CEO by Francis Kramer, who had been president since 1985. [13]
Possibly usable for mid-infrared LEDs. II-VI: 3: Cadmium zinc telluride, CZT: CdZnTe: 1.4: 2.2: direct: Efficient solid-state x-ray and gamma-ray detector, can operate at room temperature. High electro-optic coefficient. Used in solar cells. Can be used to generate and detect terahertz radiation. Can be used as a substrate for epitaxial growth ...
The design of the quantum wells can be engineered to tune the absorption in a wide range of wavelengths in the infrared spectrum and to achieve broadband operation: QCDs have been demonstrated to operate from the short-wave to the long-wave infrared region and beyond.
An image intensifier or image intensifier tube is a vacuum tube device for increasing the intensity of available light in an optical system to allow use under low-light conditions, such as at night, to facilitate visual imaging of low-light processes, such as fluorescence of materials in X-rays or gamma rays (X-ray image intensifier), or for conversion of non-visible light sources, such as ...
The AN/PEQ-2 has two infrared laser emitters;one narrow beam used for aiming the rifle and one wide beam used for illuminating targets, like a flashlight. [9] The beams can only be seen through night vision goggles. [9] Each beam can be zeroed independently, and the illuminator's radius is adjustable. The two lasers are tied into one 6-mode ...
In September 2019, Finisar was acquired by II-VI Incorporated for US$3.2 billion. [6] [7] Finisar's products include optical transceivers, optical engines, active optical cables, optical components, optical instrumentation, ROADM & wavelength management, optical amplifiers, and RF-over-Fiber. [1]
The company also participated in the production of high performance infrared common modules (SADA II) for the US Army as well as 2D staring arrays mainly for use with missiles. At the beginning of 2000, Sofradir began delivering QWIP detectors in cooperation with Thales Research and Technologies (TRT) and uncooled products based on the ...
II-VI may refer to: II-VI Incorporated , a manufacturer of optical materials and semiconductors II-VI semiconductor compound , a material composed of a metal from either group 2 or 12 of the periodic table and a nonmetal from group 16
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