Advanced Imaging


Advanced Imaging Magazine

Updated: January 12th, 2011 10:01 AM CDT

Cutting-edge IR and Thermal Imaging: Seeing Within the Dark

AXT110 Line Camera  from Ann Arbor
AXT110 Line Camera from Ann Arbor
infrared reduction filter
DSI introduces an infrared reduction filter for CMOS sensor applications
FLIR releases TAU uncooled thermal camera core
FLIR releases TAU uncooled thermal camera core
VisIR 640S High Resolution Thermal Imaging System
NEW VisIR 640S High Resolution Thermal Imaging System for Real Time Scientific and R&D Applications from Thermoteknix.

By Stacey Meacham

Applications where IR and thermal imaging are used are as diverse as the products themselves. Target acquisition, night vision, manufacturing, surveillance, defense imaging, and microscopy are just a few categories that use this progressive technology to see in low-light situations.

The AXT110 thermal line imaging instrument from Ann Arbor Sensor Systems (Ann Arbor, Mich.) is a 100 Hz. device designed for research, industrial automation and process control. Highly cost effective, these products incorporate key features include: great strength in PET bottle blow molding. Linux based so it does not require a support computer; capable of standalone SCADA slave operation via Modbus; simple alarm triggering, eight regions of interest storable within the camera, PoE and triggering, interchangeable lenses, macro, and custom calibrations are available.

Deposition Sciences, Inc. (DSI, Santa Rosa, Calif.) announces the new Infrared (IR) Reduction Filter is specifically designed to block the IR wavelengths, yet transmit the visible wavelengths in CMOS camera applications. This special IR reduction coating can be applied to glass as thin as 0.003 inches. The filters then can be used as an encapsulating cover glass, increasing the signal-to-noise ratio for imaging devices being flooded with environmental infrared light. DSI's new CMOS IR filter blocks greater than 95 percent of the infrared radiation while transmitting more than 90 percent of the visible radiation.

COMPACT EYE from Sofradir EC (Fairfield, N.J.)is an ultra-compact infrared thermal imaging engine incorporating a state-of-the-art uncooled microbolometer detector. The COMPACT EYE features 60 Hz frame rate, 384x288 or 320x240 image format having a 25 micron pitch, is tuned to long wave 8-14 µm infrared and delivers 80mK sensitivity. Compact Eye has a modular design and can be configured with NUC mechanism, various housing types and lenses offering a wide range of focal lengths from 6 mm to over 200 mm. Powerful real-time image processing algorithms improve contrast in poor visibility conditions.

FLIR Systems, Inc. (Wilsonville, Ore.) announces the release of Tau. Tau delivers thermal imagery with its 25µ detector and proprietary Digital Detail Enhancement image processing algorithms. The first uncooled thermal camera core to combine all of these attributes into one affordable, high-performance package, Tau provides an imaging core for handheld thermal cameras, unmanned vehicle vision systems, firefighting imagers, thermal weapon sights, and many other applications. There are three Tau camera configurations and seven lens options. Tau also offers integration flexibility through its Tau GUI and SDK, allowing users to control a variety of camera functions, select an analog video format, and configure a digital interface, for complete camera configuration.

Opto Diode Corp. (Newbury Park, Calif.) has developed a new 60 die LED array product line. The array has a 40-degree radiation beam angle with much higher intensity in the center of the working beam, compared to other LED arrays. The extremely bright array features the same thermal conductivity and wide range of wavelengths from 405 nm to 870 nm as Opto Diode's recently introduced 99 die LED array with a 110-degree angle beam. The new 60 die LED array family is offered in varying wavelengths with typical peak wavelengths of 405, 470, 525, 610, 830 and 870 nm, respectively. Ideal for tasks that require a narrower, brighter center working beam, the 60 die LEDS are perfect for long-range illumination.

Sensors Unlimited, Inc., (Princeton, N.J.) part of Goodrich Corporation's uncooled indium gallium arsenide (InGaAs) detector technology enables extremely lightweight, shortwave infrared (SWIR) camera systems, such as the SU640KTSX. The 640 x 512 pixel solid-state camera, with on-board non-uniformity corrections, captures full-sized images at 30 frames per second. The camera's focal plane array features a 25-micron pitch with a wavelength response over the shortwave infrared spectrum from 0.9 to 1.7 microns. This model is also available with Sensors Unlimited's new NIR/SWIR extended wavelength response from 0.7 to 1.7 microns. The SWIR imager requires no cooling and consumes low power.

Thermoteknix Systems Ltd (Cambridge, U.K.) VisIR 640S (Scientific) produces crystal-clear imagery from its highly sensitive 640 x 480 uncooled infrared sensor, precise temperature measurement and the most powerful range of camera tools and the ThermaGRAM thermal analysis software system. The software system provides real-time infrared digital signal processing with a wide array of enhancement, analysis and image processing tools at full camera frame rates. Live events can be monitored with continuous data storage directly to the PC hard disk and simultaneous display. Stored sequences can be replayed alongside live imaging and output to AVI file.

With the NIR-600 camera VDS Vosskühler (Germany) extends its near-infrared delivery program by a high-resolution camera version with 640 x 512 pixels. The NIR-600 is based on an InGaAs sensor, being optimized for wave lengths within 0.9 - 1.7 µm. At 640 x 512 pixels the camera delivers up to 30 images/sec., digitalized and processed with 14 bit. CameraLink or Gigabit Ethernet are available as data output. The NIR-600 camera is actively cooled and temperature stabilized and therefore achieves a high image quality and long time stability.

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