Sensors Unlimited, Inc., part of Goodrich Corporation, is recognized as the worldwide expert and undisputed leader in indium gallium arsenide (InGaAs) sensor technology. Acquired by Goodrich Corporation (Charlotte, NC) in November, 2005, SUI is now a member of the Optical and Space Systems division.
SUI is a global manufacturer of InGaAs-based products such as high speed PIN and avalanche photodiodes, 1- and 2-dimensional focal plane arrays, and high performance near-infrared (NIR) and shortwave infra-red (SWIR) cameras. SUI's indium gallium arsenide III-V foundry features Class 100 clean rooms and an MOCVD epitaxial growth wafer fab, plus a 20,000 square foot detector manufacturing facility.
ADVANTAGES
The advanced InGaAs detector technology allows imaging in the SWIR without the necessity of an external cooling system. Other benefits of this proprietary sensor technology are low power consumption and the ability to image at high frame rates, a remarkable advantage over current uncooled microbolometer technology. SUI's NIR cameras deliver what thermal imagers can’t – clear, lifelike detection in daylight or lowlight. Small and compact, they operate at room temperature with no moving parts and can image through glass and plastic using off-the-shelf glass optics. Because the InGaAs cameras have non-uniformity corrections (NUCs) that last for the lifetime of the cameras, they do not need NUCs in the field, making operation simpler.
APPLICATIONS
InGaAs arrays and imagers are ideal for a wide variety of military, industrial, biomedical, telecommunications, scientific and commercial applications. These include:
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Laser tracking for weapons and communication systems
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Covert and fixed site surveillance
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Free space communications
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Ground and air UV payloads
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Gimbal sensor assemblies
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Night vision
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Near-infrared spectroscopy
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Food processing and inspection
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Laser beam profiling
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Imaging hot processes, e.g. glassmaking and metal smelting
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Security and surveillance
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Linescan inspection
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Microscopy
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Art conservation
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Astronomy
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Paper Reprints:
SPIE Defense & Security Symposium, April 2007 - "High speed Short Wave Infrared (SWIR) Imaging and Range Gating Cameras"
SPIE Defense & Security Symposium, April 2007 - "Ultra Low Dark Current InGaAs Technology for Focal Plane Arrays for Low-Light Level Visible-Shortwave Infrared Imaging"
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•Presentation: High Speed Short Wave Infrared (SWIR) Imaging And Range Gating Cameras
