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  • IR Wire-Grid Polarizers
Oct 2013
Edmund Optics Inc.Request Info
BARRINGTON, N.J., Oct. 25, 2013 — New high-contrast IR wire-grid polarizers from Edmund Optics are suitable for broadband IR applications requiring high transmission and contrast, including spectroscopy, thermal imaging and astronomy.

The polarizers are constructed by applying a thin layer of aluminum microwires to a glass window. Their design features a lightweight, thin silicon substrate, making them suitable for weight-sensitive systems such as unmanned aerial vehicles. The devices’ wire-grid technology allows the angle of incidence to vary more than 20° without exhibiting performance loss.

Providing high heat resistance with low thermal expansion, the antireflection-coated polarizers are suitable for polarizing light from IR laser sources or for attenuating light from polarized IR lasers. Six models are available in 12.5 × 12.5-mm, 12 × 25-mm and 50 × 50-mm sizes for 3- to 5-µm or 7- to 15-µm wavelengths.


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The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
thermal imaging
The process of producing a visible two-dimensional image of a scene that is dependent on differences in thermal or infrared radiation from the scene reaching the aperture of the imaging device.
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