optical window


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optical window

See atmospheric windows.

optical window

[′äp·tə·kəl ′win·dō]
(optics)
The spectral region between 300 and 2000 nanometers (0.3 and 2 micrometers in wavelength), in which visible and near-visible radiation will pass through the earth's atmosphere.
References in periodicals archive ?
This allows compatibility with dark (low permeability) optical windows unlike conventional color sensors that cannot provide precise detection due to the impacts of infrared interference when dark windows are used.
c) six (6) pieces of CaF2 Optical Window 25 x 2 mm of UQG Ltd, d) 1 (one) piece subsystem 80Spec-Grazing Angle Specular Reflectance for Thin Films (code 012-11CHCH) of Pike Technologies Inc.
Artificial sapphire is used in the manufacture of substrates for LED lights, semi-conductor wafers used in the electronics industry, and scratch-resistant artificial sapphire glass used for wristwatch faces, optical windows and smartphone components.
It is generally referred to as an III-V semiconductor and is used in devices such as microwave frequency integrated circuits, monolithic microwave integrated circuits, infrared light-emitting diodes, laser diodes, solar cells, and optical windows.
Precision optical windows often are used as a protective element between different physical environments; as such, they are ideal in protecting fragile optical components inside an assembly.
The neutron beam windows are made out of AlMg3 alloy machined to 150 [micro]m thickness, the cold optical windows are 3 mm thick sapphire.
It targets plastic films and rigid substrates for LCDs, electroluminescent displays, optical windows and films, data-storage media, and other applications.