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The point where the isogyres is most tightly curved represents the position of each of the two optic axes present for a biaxial mineral, and thus the maximum separation between the two curves is diagnostic of the angle between the two optic axes for the mineral. This angle is called the optic angle and often notated as "2V". In some cases ...
Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2. ... The 2V optical angle in topaz can range from 48° to 69 ...
2V or 2-V may refer to: 2V, IATA code for Amtrak; 2V angle, curved isogyre differences in a conoscopic interference pattern in optical crystallography; P-2V, a model of Lockheed P-2 Neptune; An-2V, a model of Antonov An-2; 2V (V-69), manufacturer's designation for Venera 5 spacecraft; 2VLY, call sign for Power FM 98.1
In ray tracing, the vergence can then be pictured as the angle between any two rays. For imaging or beams, the vergence is often described as the angle between the outermost rays in the bundle (marginal rays), at the edge (verge) of a cone of light, and the optical axis. This slope is typically measured in radians. Thus, in this case the ...
An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum.Common types of optical waveguides include optical fiber waveguides, transparent dielectric waveguides made of plastic and glass, liquid light guides, and liquid waveguides.
Future Imagery Architecture (FIA) was a program awarded to Boeing to design a new generation of optical and radar imaging US reconnaissance satellites for the National Reconnaissance Office (NRO). In 2005 NRO director Donald Kerr recommended the project's termination, and the optical component of the program was finally cancelled in September ...
Microoptoelectromechanical systems (MOEMS), also known as optical MEMS, are integrations of mechanical, optical, and electrical systems that involve sensing or manipulating optical signals at a very small size. MOEMS includes a wide variety of devices, for example optical switch, optical cross-connect, tunable VCSEL, microbolometers.
An optical transistor, also known as an optical switch or a light valve, is a device that switches or amplifies optical signals.Light occurring on an optical transistor's input changes the intensity of light emitted from the transistor's output while output power is supplied by an additional optical source.
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