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Rocky Mountain Instruments - Infrared Optics LB

Optical Filters Open Up New Uses for MWIR, LWIR Systems

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Jason Palidwar, Iridian Spectral Technologies

The future for photonics imaging is bright in a previously dark wavelength regime: The ability to image ‘invisible’ features such as thermal profiles, gases and other environmental constituents in a commercially viable manner has begun to open up new application areas for mid-wave and long-wave infrared sensor systems. Over the past two decades, multilayer thin-film filters (TFFs) have become ubiquitous. These optical elements enable many varied photonics applications and markets in the visible (400-700 nm), near-infrared (700-1000 nm) and short-wave infrared (1000-3000 nm)...Read full article

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    Published: July 2014
    Glossary
    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.
    thermography
    Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera, to detect and visualize the infrared radiation emitted by objects. This technology allows for the creation of thermographic images, also known as thermograms, where variations in temperature are represented by different colors or shades. The basic principles of thermography are as follows: Infrared radiation emission: All objects with a temperature above absolute zero...
    AmericascamerasenergyFeaturesFiltersgas detectionImagingindustrialLight SourcesOpticsSensors & Detectorsthermal imagingthermographyLEDs

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