Optical window
Optical window Rough plot of Earth's atmospheric transmittance ... radiation, including visible light. In astronomy, the optical window is that portion of the electromagnetic spectrum ... the atmosphere, so this is like a window that lets in just a little ...
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Optical amplifier
Optical amplifier In optics, an optical amplifier is a device that amplifies an optical signal directly, without the need to first ... electrically, and finally reconvert it to an optical signal. An optical amplifier may be thought of as ...
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Optical coating
Optical coating Optically coated mirrors and lenses. An optical coating is a thin layer of material placed on an optical component such as a lens or mirror ... reflects and transmits light. One type of optical coating is an antireflection coating, which reduces ... light which falls on them. More complex optical coatings exhibit high-reflection over some ...
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Screen window   (translated from German)
Screen window As Screen window designates one in that Fotografie the part ... the part of the motive, in the optical Sucher or in the Suchermonitor to an ...
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Optical glass   (translated from Chinese)
Optical glass Optical glassMakes optics lens , optical instrument main material. The optical glass must have the highly precise refractive ... the lens glass , is in the ordinary window glass or the beverage bottle lump, ...
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Optical illusion
Optical illusion A ''optical illusion'' is a type of illusion characterized ... in the human perceptual system [2]. An optical illusion. Square A is exactly the same ... the same shade throughout Penrose triangle An optical illusion. The two circles seem to move ... an illusion that results from a natural optical phenomenon. The variation in the apparent ...
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Optical amplifier   (translated from German)
Optical amplifier optical amplifier is equipment, the one detailed optical signal strengthened passes on, without it into ... electrical elements only Laser and monitoring electronics. Optical amplifiers were the condition for it, optical signals transparency, thus independently of their ...
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Optical telegrafie   (translated from German)
Optical telegrafie Claude Chappe Under the term optical telegrafie one understands the transmission of news ... over large distances with the help of optical or a combination of optical with acoustic devices. Already in that Antique ... messages could be conveyed by this simple optical telegrafie. The idea to convey freely ...
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Category:Optical illusions
Category:Optical illusions Wikimedia Commons has media related to: Optical illusions An optical illusion is any illusion that deceives the ... For more information, see the article on optical illusions. Subcategories There is 1 subcategory to ... category. G Gravity hills Pages in category "Optical illusions" There are 64 pages in ...
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Glory (optical phenomenon)
Glory (optical phenomenon) NASA photo Glory with aircraft shadow ... Scotland Glory looking out of the aircraft window A glory is an optical phenomenon produced by light reflected toward its ... Brocken Spectre), and which were surrounded by optical glory halos, may have contributed to the ...
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