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Infrared Camera

Photonics Spectra
Aug 2010
JENOPTIK Defense & Civil SystemsRequest Info
 
For spectral-selective temperature measurements in the mid-wavelength infrared, Jenoptik Laser, Optik, Systeme GmbH has launched the VarioTherm InSb camera. With a bandwidth of 2 to 5 μm, it covers a wide spectral range and is suited for measurements in R&D applications. The integrated filter wheel enables customer-specific mounting of through-glass, on-glass, through-flame, on-flame or plastic filters. The camera is radiometrically calibrated for a temperature range of −40 to 2000 °C. The wide measurement subregions combined with good temperature resolution facilitate flexible measurements without the need for switching between measurement ranges. Calibration data and measurement algorithms are stored in the camera, enabling direct output of measured temperature data without the need for a PC connection.


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GLOSSARY
algorithm
A precisely defined series of steps that describes how a computer performs a task.
filter
1. With respect to radiation, a device used to attenuate particular wavelengths or frequencies while passing others with relatively no change. 2. See digital filter.
filter wheel
A device that holds a number of filters and allows the filter with the desired characteristics to be rotated into an optical aperture.
glass
A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
resolution
1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in the image. 2. The minimum adjustment increment effectively achievable by a positioning mechanism. 3. In image processing, the accuracy with which brightness, spatial parameters and frame rate are divided into discrete levels.
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