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Using SWIR To Detect Disguises At Border And Immigration Checkpoints
8/8/2019
As the U.S. continues to increase its security at border crossings, airports, and other points of entry, biometrics will play an important role. SWIR cameras can help identify disguises at the border and therefore supplement security efforts.
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Using SWIR For OCT High Resolution Imaging In Tissue
6/12/2019
By using the 1.05 µm central wavelength, instrumentation companies are now developing systems to image deeper through the retina into the blood vessel layer (called the choroid) to diagnose eye diseases and monitor treatment.
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Using SWIR Spectroscopy For Light Investigation And Analysis
6/12/2019
Innovative research and production of InGaAs material with high quantum efficiency (QE) and low dark current has made Sensors Unlimited a leading supplier of linear photodiode arrays for IR spectroscopy camera systems.
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Imaging Through Atmospheric Obscurants
3/8/2018
The Salt Lake City Valley in Utah sometimes experiences trapped air pollution in the atmosphere that severely reduces ground visibility. This article demonstrates the difference between using visible light and SWIR cameras to provide greater detail in imaging, even in challenging conditions.
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Why SWIR And InGaAs Are Useful
8/4/2017
Sensing in the shortwave infrared (SWIR) range (wavelengths from 0.9 to 1.7 microns) has been made practical by the development of indium gallium arsenide (InGaAs) sensors. This white paper covers the importance of using InGaAs technologies in SWIR applications.
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SWIR Camera Utilized In Cutting Edge Tornado Research
2/2/2017
A team of researchers at Purdue University’s Earth, Atmospheric, and Planetary Sciences Department recently tested the practicality of using shortwave infrared (SWIR) imaging for improving the detection of poorly-visible tornadoes in supercell thunderstorms.
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What Is InGaAs?
8/4/2016
InGaAs is an alloy of gallium arsenide and indium arsenide, and is a III-V compound semiconductor. Creating this material is a complicated process, so why go through all the trouble? This article discusses InGaAs in detail and offers benefits for using this technology for SWIR and other imaging applications.
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SWIR And The U-2
8/4/2016
The U-2 spy plane is the leading reconnaissance platform for the United States. The camera used in today’s U-2, SYERS, uses electronic sensors to see in both the mid-wave infrared (MWIR) band (thermal energy) and the short wave infrared (SWIR) band (reflected light).
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Why SWIR?
8/4/2016
The development of InGaAs sensors has enabled the practicality of using the shortwave infrared (SWIR) spectrum for imaging applications. This article discusses the basics of SWIR imaging and the benefits of using InGaAs technology and its use with thermal imaging.
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The Third Infrared Window
8/4/2016
Long wave infrared (LWIR) and mid-wave infrared (MWIR) sensors and cameras have been used in military settings for detecting human activity through thermal emissions. Using the short wave infrared (SWIR) portion of the spectrum extends unique capabilities that often compliment LWIR and MWIR imaging.