News | February 2, 2005

SUI Unveils Breakthrough Miniature, Dual-Wavelength MicroCamera

Source: Sensors Unlimited - UTC Aerospace Systems
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Princeton, NJ -- SUI (Sensors Unlimited, Inc.), part of Goodrich Corporation, specialists in shortwave infrared imaging using indium gallium arsenide (InGaAs) technology, introduces the world's smallest dual-wavelength Visible-InGaAs Snapshot MicroCamera. SUI's proprietary miniaturization technology delivers an unparalleled 2.5 ounce camera (less than 70 grams), dramatically smaller than previous 11-ounce dual-wavelength imagers. Measuring less than 26 cm³, the compact MicroCamera simultaneously images in both the visible and the near-infrared wavelengths, producing a single, combined image.

SUI has developed an InGaAs focal plane array (FPA) substrate removal technique that permits visible response from InGaAs FPAs with tighter pitches, enabling increased resolution. The new camera's 320 x 256 pixel resolution array also features an unprecedented small pitch, at 25 µm versus the previous 40 µm pitch. The InGaAs FPA's quantum efficiency exceeds 70 per cent in the 1000 nm to 1600 nm portion of the spectrum with over 50 percent at 800 nm and 10 percent at 400 nm.

The imager's increased high responsivity in both the visible and the shortwave infrared (SWIR) wavelengths and the low power consumption (less than 1.6W) make this MicroCamera ideal for covert surveillance and other defense and military operations. The miniature, solid-state camera has no moving parts, requires no field non-uniformity corrections (NUCs) and operates at room temperature to yield a combined visible and SWIR image that previously required two cameras or much larger dual-wavelength detectors.

Applications for the visible-shortwave IR extended wavelength MicroCamera include any tasks where size and weight are extremely critical factors. SUI's Visible-InGaAs Snapshot MicroCamera can assist in hyperspectral imaging and laser beam profiling of scientific, datacom, military, and telecom lasers. The small size and the reliable, dual-wavelength capability assists in machine vision applications where size and space are crucial, astronomy, semiconductor wafer inspection, and imaging of most laser pointers, designators, and range finders.

About SUI
SUI, founded in 1991 to pioneer design and production of near-infrared detectors, is the world leader in indium gallium arsenide (InGaAs) imaging technology. With in-house capabilities, SUI manufactures advanced infrared cameras, short-wave and near-IR focal plane arrays and revolutionary high speed PIN and avalanche photodiodes. Their proprietary foundry and expertise delivers reliable, high performance products for a variety of critical military, security, industrial, commercial and telecommunications industries. Applications include covert surveillance, machine vision, night vision, health and safety protocols, historical art inspection and more.

SOURCE: Sensors Unlimited - UTC Aerospace Systems

Sensors Unlimited - UTC Aerospace Systems