Sensors Unlimited Products

Princeton, NJ 08540


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330 Carter Rd
Suite 100
Princeton, NJ 08540
United States

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Near-infrared and shortwave-infrared (SWIR) cameras, systems, sensors, and detectors (fully-packaged or OEM imaging modules) based on indium gallium arsenide (InGaAs) technology. Fast-framing, high-resolution solid-state cameras, linescan imagers, and FPAs.


(Images courtesy of Dr. Cynthia Lee Darling, UCSF)
FIGURE 1. Researchers at University of California, San Francisco used Sensors Unlimited's GA1280J shortwave infrared (SWIR) camera to image the lesions on biting surfaces and between teeth. Occlusal images of one-day lesions for one sample were acquired with different filters: NIR reflectance images with crossed polarizers (a), 1300 nm (b), 1460 nm (c), and 1600 nm, along with visible reflectance image with crossed polarizers (d) and fluorescence (e).
Optical Coherence Tomography


The first international symposium on optical coherence tomography (OCT) in dentistry highlighted the many advantages of optical diagnostics over current "gold standard" technologies...
FIGURE 1. Specially designed InGaAs/InP APDs are optimized for the different requirements of Geiger-mode photon-counting applications. The special packaging and cooling features allow them to achieve higher photon-detection probability with lower timing jitter than standard telecommunications APDs.
Detectors & Imaging

AVALANCHE PHOTODIODES: Near-IR APDs expand photon-counting applications

A variety of new technologies provide efficient single-photon detection in near-IR wavelengths, enabling new applications in trace-gas analysis, photodynamic therapy, and quantum...
FIGURE 1. Quantum efficiency of frontside InGaAs p-i-n photo­diodes is greater than that for backside-illuminated devices for wavelengths shorter than 1100 nm.
Detectors & Imaging

InGaAs sees infrared and visible light

Newly developed indium gallium arsenide arrays sense light over a wavelength range of 400 to 1700 nm, making them a prime choice for applications such as night vision, inspection...


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