Imaging

The Need for Speed

With today’s engineering challenges, the need for non-contact, high speed thermal measurement has never been greater. Traditional forms of temperature measurement such as thermocouples and spot pyrometers do not offer the resolution or speed required to fully characterize high speed thermal devices and provide adequate temperature measurement. Infrared cameras offer thousands, even millions, of points of non-contact high speed thermal measurement. However, not all infrared detectors are created equal. Here we’ll discuss the most common types of thermal infrared detectors and the capabilities as well as limitations of each. You’ll find this discussion helpful for solving applications involving fast moving targets or targets with fast thermal slew rates and the following information will provide the knowledge base to ensure measurements are reliable, avoiding a “garbage in, garbage out” situation.

Posted in: White Papers, Cameras, Data Acquisition, Detectors

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The Advantages of Cooled IR Cameras

For many years, thermal imaging cameras have been used by scientists, researchers and R&D specialists for a wide range of applications, including industrial R&D, academics & research, non-destructive testing (NDT) & materials testing, and defense and aerospace. However, not all thermal cameras are created equal and for some applications dedicated, advanced thermal cameras with high speed stop motion capability are required in order to get accurate measurements.

Posted in: White Papers, Cameras

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Analyst Roundtable: Machine Vision Moves Beyond Manufacturing

Imaging technology is playing an increasingly important role, for traditional industry sectors like manufacturing as well as emerging segments outside of the factory. Companies are looking to automate their operations. Lower costs have enabled customers to use camera-based technologies for the very first time. Vision systems have become more capable than single-purpose devices.

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‘Ralph’ Camera Shows Pluto in Color

Thanks to a camera affectionately known as “Ralph,” NASA’s New Horizons spacecraft has delivered stunning natural-color images of Pluto and its moons.

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Area-Scan Camera

The Basler beat area-scan camera from Basler (Ahrensburg, Germany/ Exton, PA) features 12 MP of resolution, progressive scan, and global shutter technology. Using the Camera Link interface, the cameras process 62 frames per second. Possible applications include measurement and identification; semiconductor and electronics manufacturing; license plate identification; and fluorescence microscopy. Basler’s free pylon Camera Software Suite, based on the GenICam standard, works with the Basler beat series. The software suite provides access to all functions and optimal operation of the camera.

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Area-Scan Camera

The SAPPHIRE S-25A70/CXP area-scan camera from Adimec (Eindhoven, the Netherlands/Stoneham, MA) is equipped with the CoaXPress V1.1 Quad interface (4 x CXP-6). CoaXPress CXP-6 Quad offers a peak transfer rate of 2 Gigapixels/s. Data transmission between the camera and frame grabber occurs at up to 25 Gbits/s (4 x 6.25 Gbits/s). The S-25A70/CXP camera utilizes the ON Semiconductor Vita25k global shutter image sensor. Additionally, the 25-Megapixel CMOS global shutter device delivers images of 5120 x 5120 pixels at a maximum of 73 full frames per second (fps). A defect pixel correction algorithm maintains image uniformity. At maximum speed, cable lengths over 30 meters are supported without the need for signal repeaters.

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CMOS Camera

The Imaging Source (Bremen, Germany/Charlotte, NC) has announced industrial cameras with the Sony Full HD WDR Sensor IMX236. The cameras are available as GigE (PoE) and USB 3 versions in monochrome and color. Other features include integrated WDR (Wide Dynamic Range) and a resolution from VGA to Full HD. The maximum frames-per-second at Full HD is 60 fps; 145 fps is possible at VGA resolution. All cameras are shipped with drivers for LabView, HALCON, MERLIC, VisionPro, DirectX, Twain, and NeuroCheck. End-user applications; an SDK consisting of .NET and ActiveX components; and a C++ class library are included. The cameras also ship with IC Capture, end-user software to set all camera parameters.

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High-Speed Camera

Photron (San Diego, CA) has released the FASTCAM Mini WX 50 camera. The device provides up to 750 frames per second at full four-megapixel resolution; 1080 HD performance is achieved at 1,500 frames per second. The 120 x 120 x 99-mm Mini WX 50 weighs 3.5 lbs and features 12-bit ADC. Memory options range from 4 GB to 8 GB, and up to 16 GB with Gigabit Ethernet interface capability. Light sensitivity is measured to the ISO Ssat 12232 standard: ISO 6,400 monochrome and ISO 2,000 color. The high-speed cameras also feature Fmount and C-mount lens mounts.

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Infrared Camera

The Goldeye G-008 SWIR camera from Allied Vision Technologies (Stadtroda, Germany/Exton, PA) is fitted with a QVGA InGaAs sensor (320 x 256 pixels, 30 μm pixel size), making the camera sensitive in the short wave infrared spectrum ranging from 900 to 1,700 nm. The imager delivers 346 frames per second at full resolution. The industrial-grade housing measures 55 x 55 x 78 mm, and the camera uses the GigE Vision industrial standard as an interface. GenICam is compatible with image processing libraries. The Goldeye G-008 SWIR also features image correction and optimization functionalities, such as algorithms, a fan-less sensor, and a thermoelectric module (TEC 1) for low-noise images. For Free Info Visit http://info.hotims.com/55593-144

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Thermal Imaging Cameras

FLIR Systems (Wilsonville, OR) has added the K2 and K65 to its K-Series of thermal imaging cameras. The new additions provide firefighters with the capability to see through smoke, locate and rescue victims, identify hot spots, navigate, and stay better oriented during response missions. Powered by FLIR’s Lepton® camera core, the K2 delivers thermal images at 160 x 120 resolution and is equipped with FLIR’s patented Multi- Spectral Dynamic Imaging (MSX®) technology. The Multi-Spectral Dynamic Imaging allows firefighters to see key structural details in a variety of environments. The K65, an advanced thermal imaging camera, is compliant with the NFPA 1801- 2013 Standard for Thermal Imagers covering usability, image quality, and durability for firefighting. The K65 offers 320 x 240 thermal resolution and features FLIR’s Flexible Scene Enhancement™ (FSX) technology, which enhances scene detail and contrast in total darkness.

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