Imaging

Radiation-Hard Lenses

The new Model 346 non-browning lens from Resolve Optics Ltd. (Chesham, UK) operates with color sensors in areas subject to radiation. The lens uses special glass that withstands long-term exposure to radiation up to a dose of 100 million radians and temperatures to 55°C without discoloration. Able to operate at f/2, the device provides minimum geometric distortion from 400 to 750 nm. Objects can be imaged from 50 mm to infinity without using add-on adapters. The Model 346 lens is designed for optimized use with 15-mm diagonal color CMOS sensors. For Free Info Visit: http://info.hotims.com/55596-149

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Smart Cameras

The EyeCheck Thermo smart camera from EVT (Karlsruhe, Germany) features 8 inputs/outputs and a tolerance of up to 24V. Available resolutions include 320 × 240 (EC Thermo 800) and 640 × 480 (EC Thermo 1000). The camera’s uncooled microbolometer LWIR array has a spectral band of 8 to 14 μm. Other features include a programmable FPGA; integrated ZYNQ board (Raze1-30); GigE, RS232, and LVDS interfaces; M12 connector with IP65 housing; two micro USB ports; and image processing software. A thermal imaging command set supports drag-and-drop programming. For Free Info Visit: http://info.hotims.com/55596-151

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Frame Grabbers

AVC-2 frame grabbers from VRmagic (Mannheim, Germany) transmit converted digital signals in real time via composite, Y/C, or Svideo, in monochrome or color mode. The VRmAVC-2 is supplied with power via its USB connection and is available as an OEM model and model with housing. The integrated 64 MB memory ensures a stable operation. The VRmD3AVC-2 and VRm- DAVC-2, based on the intelligent camera platforms, perform image processing tasks fully autonomously. The D3 frame grabber VRmD3AVC-2 features a dual-core chip with floating point unit (FPU) running Ubuntu Linux. Peripherals, including a monitor via HDMI, can be connected directly; equipment can be controlled via RS232 or GPIOs. For Free Info Visit: http://info.hotims.com/55596-153

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CMOS Cameras

Andor Technology (Belfast, Ireland/Concord, MA) has announced the Zyla 4.2 PLUS Scientific CMOS (sCMOS) camera. The Zyla 4.2 PLUS delivers a sustained 53 fps at full resolution through a USB 3.0 interface. New on-camera intelligence offers linearity improvements, providing quantitative measurement across the full dynamic range. The 4.2-megapixel camera, coupled with <1 e- read noise and 33,000:1 dynamic range, includes application-specific modes which adapt the rolling shutter scan mode to applications such as Scanning Light Sheet Microscopy and Line Scan Confocal imaging. FCS Mode provides a speed of 26,041 fps from a 2048(h) × 8(v) region of interest. For Free Info Visit: http://info.hotims.com/55596-154

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CMOS Cameras

SMARTEK Vision (Cakovec, Croatia/New London, CT) has added GCP2061 and GCP2046 models to its Giganetix Plus camera series. The new industrial cameras are equipped with the Sony Pregius Exmor IMX250 and IMX252 sensors. With a high dynamic range of 70.9 dB and a readnoise value of 2.3 e-, the models support outdoor and traffic-monitoring applications. The cameras have a resolution of 3.2 or 5.1 megapixels at a pixel size of 3.45 μm. A variable-speed shutter function, a variety of exposure methods, a maximum of 64 definable regions of interest, and external trigger modes all enable application control and image transmission. Additional features of the Giganetix Plus series include fully GigE Vision-compliant hardware and driver interfaces, Windows- and Linux-compatible Giganetix GigE Vision SDK, and the use of industrial connectivity standards. For Free Info Visit: http://info.hotims.com/55596-155

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High-Speed ‘Electron Camera’ Captures Motion — One Quadrillionth of a Second at a Time

Using a method known as ultrafast electron diffraction (UED), a scientific instrument at the Department of Energy’s SLAC National Accelerator Laboratory, located in Menlo Park, CA, reveals nature’s high-speed processes, including phase changes and the motions of electrons and atomic nuclei within molecules.

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Finding the Right Lens: The Factors to Focus On

A sharp image requires more than just a good camera; it also takes the right lens. Several aspects must be considered to make sure that the camera and lens work perfectly together and fit a specific application.

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From 2D to 3D: MARVEL Tool Offers Immersive View Inside the Brain

Thanks to a partnership between a surgeon and NASA’s Jet Propulsion Laboratory (JPL), a new camera system could improve minimally invasive surgeries and provide 3D endoscopic images of the brain.

Posted in: Application Briefs, Articles, Imaging

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Stereoscopic Planar Laser-Induced Fluorescence Imaging for Time-Resolved 3D Movies in Hypersonic Flow

This technique may be useful in applications where time-resolved visualization of unsteady, high-speed flows is needed, such as detonations, supersonic combustion systems, and explosions. Langley Research Center, Hampton, Virginia Understanding and predicting transition from laminar to turbulent flow in hypersonic boundary layers is an active and important field of research because transitional and turbulent heating can be four or more times higher than laminar heating on hypersonic vehicles, including the Orion Crew Exploration Vehicle (CEV).

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Modified-Wolter-Schwarzschild X-ray Telescope

Goddard Space Flight Center, Greenbelt, Maryland X-ray survey missions require nested grazing incidence telescopes with a large field of view (1° or larger) and moderately high resolution across the field of view. This cannot be accomplished using flat focal plane detectors. The telescopes have excellent on-axis resolution, but unacceptable resolution at the edge of the field of view. The aberrations need to be optimized and correctly balanced to improve the telescope optical performance across the field of view.

Posted in: Briefs, TSP, Imaging

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