Portable Laser Scanner

Hexagon Manufacturing Intelligence (North Kingstown, RI) has announced the Leica Absolute Scanner LAS-XL, a new ultralarge scale portable laser scanner. Designed for industries and applications where both speed of measurement and metrology-level accuracy are necessary, the expanded measurement field and point acquisition rate of the LAS-XL means large parts and surfaces can be fully digitized in far less time than ever before.

Operating on the same flying-dot scanning technology as the Leica Absolute Scanner LAS, the LAS-XL benefits from a scan-line width of up to 600 millimeters (24 inches) and a measurement stand-off distance of up to a full meter. The extreme flexibility this delivers makes the LAS-XL as ideal for mapping large blade surfaces as it is for digitizing aircraft and rail carriage interiors. Accurate to within just 150 microns, the LAS-XL is suitable for the wide range of applications for which increased measurement speed is extremely valuable.

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Laser Diode Driver

The Model 787 OEM laser diode driver from Analog Modules, Inc. (Longwood, FL) is a highly efficient, current regulated, low ripple triphase laser diode driver designed to power pulsed and CW high current laser diode stacks. The 50A, 5.0V driver has an efficiency of 96% in a compact footprint. Multiple drivers can be stacked together to achieve output currents of 200A or higher. The driver includes open circuit, short circuit, over-temperature, and under-voltage lockout protection.

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Confocal Imaging Platform

Andor (Belfast, Northern Ireland), an Oxford Instruments company, has launched Dragonfly 200, the latest model of its highspeed confocal imaging platform. Dragonfly integrates Andor's cameras, with patented illumination technologies and optimized optical design, to produce images characterized by low noise, wide dynamic range, high resolution, and exceptional sensitivity. The Perfect Illumination Delivery™ system (Borealis) used for confocal and widefield imaging provides exceptional stability, uniformity, and spectral range, which enables imaging in the NIR region, where natural autofluorescence of the sample is dramatically reduced.

Up to twenty times faster than conventional confocal microscopes, Dragonfly also boasts superior spatial and temporal resolution, often revealing previously undetected information in microscopic specimens. It also comes with enhancements to the included Fusion image capture software. For super-resolution, the novel SRRF-Stream technique, recently introduced to the iXon EMCCD camera range, can enhance resolution down to 50nm at live-cell frame rates.

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Industrial Video Camera

IO Industries (London, Ontario, Canada) has introduced new CMV50000 CMOS image sensors to its line of Flare™ industrial video cameras. The sensors feature high pixel counts, producing images with a 7920 × 6004 resolution with frame rates up to 30 frames per second. Multiple region of interest settings (up to 10 windows) allow lower-resolution output formats at much higher frame rates. This flexibility makes the Flare series effective in applications including automated optical inspection systems, space launch imaging, wide area surveillance and more.

The sensors used in the Flare 48MP camera feature pipelined global shutter technology, which allows the sensor to expose a frame during readout of the previous frame. The global electronic shutter exposes each pixel in the frame at the same time, as opposed to rolling shutter designs, which sequentially expose rows of pixels.

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Thermally Stable Laser Module

This IMM single mode laser diode module from Electro Optical Components Inc. (Santa Rosa, CA) is cooled solely using a passive system — no TEC (thermoelectric cooler) is required. The fiber-coupled single mode module can be used wherever a high degree of temperature stability and robustness is required but space and power supply are limited. Wavelengths include: 450 nm, 515 nm, 635 nm, 640 nm, 655 nm, 660 nm, 785 nm, 830 nm and 850 nm. Applications include: measurement technology, medical, engineering, research, and surveying.

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XRF Coating Measurement System

Bowman (Schaumburg, IL), has introduced its P Series, benchtop XRF coating measurement instrument. It simultaneously identifies elements Al13 through U92 on the periodic table in each of up to 5 coating layers, with high precision and speed. Standard system configurations include a four-position collimator assembly, variable focus camera for applications with recessed areas, extended-life micro-focus X-ray tube, and solid-state PIN detector. The detector has well-defined element peaks, eliminating the need for secondary filters. Minimal peak position drift assures high stability over time and extends the interval between recalibrations.

The intimate proximity of the X-ray tube and detector produces more than three times the photon counts of conventional XRF equipment, and in a shorter measurement time. The extended programmable X-Y axis, suits it for measuring small features, or parts such as fasteners, connectors, and PCBs. Table size is 25” × 25”; travel is 10” × 10”.

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Laser Power/Energy Meter

MKS Instruments (San Francisco, CA) has announced the Ophir® Centauri, a compact, portable laser power/energy meter for precise measurements of laser performance over time. It features a large, full-color, seven-inch touch-screen for visual review of data using graphical display formats, such as Digital with Bargraph, Pulse Chart, and Real Time Statistics Displays. Advanced math functions include Density, Scale Factor, and Normalize Against Baseline. Available in single and dual-channel versions, the Centauri is compatible with all standard Ophir thermal, photodiode, and pyroelectric sensors, including the BeamTrack power/position/size sensors. The dual channel option supports split and merged graphical displays. Every power and energy point can be logged at up to 10kHz. The Centauri's math functions can be mixed together and the results displayed graphically and logged.

Outputs include USB and RS232 for real-time integration into larger systems and USB Flash Drive output for nearly unlimited data storage. A TTL output can be used in conjunction with Pass/Fail limits to inform an outside controller when the source is out of bounds.

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Blue-Violet Laser Diode

The new series of 405-nm blue-violet laser diodes released by the Optoelectronics Company (Hertfordshire, UK) is aimed at direct imaging applications and is also suited for industrial, biomedical, and medical uses.

The high-end diode in the range, USHIO HL40071MG, is a single transverse mode 405-nm laser diode with 300 mW optical output power. Typical optical and electrical characteristics (Tc=25°C) are 50 mA threshold current, 280 mA operating current, 6V operating voltage, 6 degrees beam divergence parallel to the junction, 15 degrees beam divergence perpendicular to the junction, 2V laser diode reverse voltage and 0 to +70°C operating temperature.

The other new diodes, USHIO HL40063MG and HL40065MG, are multimode with TE mode oscillation, blue-violet lasing wavelength of 405 nm, and optical output power of 600 mW CW, LD reverse voltage 5V, PD reverse voltage 20V, 0 to +30°C operating temperature, 140 mA threshold current, 600 mA operating current, 4.2V operating voltage, 13 degrees beam divergence parallel to the junction, and 42 degrees beam divergence perpendicular to the junction. The HL40065MG has a built-in monitor PD and typical monitor current of 2mA.

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Optical Component Curving Technology

Leti, a research institute at CEA Tech (Grenoble, France), has developed a new curving technology for optical sensors and micro-displays that improves performance, enhances field of view and compensates for aberrations in optical applications. Called “PIXCURVE” the technology curves components such as CMOS imagers and charged-couple device (CCD) imagers for mobile phones, cameras, telescopes, medical-imaging tools and industrial-control equipment.

Leti's prototype is based on a 1/1.8” format, 1.3-million-pixel CMOS image sensor. The standard sensor structure consists of a 7.74 × 8.12 mm silicon die glued on a ceramic package. Electrical connections are wire bonded from the die to the package surface and, then, to the interconnection board. A glass cover is placed on top for mechanical protection. Leti's technology uses a grinding process to get the sensor below 100μm thick, which makes it mechanically flexible. It is then glued onto a curved substrate, which determines its final shape. A wire bonding process developed for electrical connections is used to prevent damages on the thinned dies. The radius of curvature is R=65mm.

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Full HD M.2 Video Capture Card

AVerMedia (Taipei, Taiwan), announces the availability of the CN331-H compact full HD M.2 video capture card designed to make it easy to monitor, store, display, and process clear high-quality video while keeping video file sizes small to save storage space.

Key specifications include a 1-CH HDMI 1.4 input, maximum input resolution of 1920 × 1080 at 60fps, and maximum capturing resolution of 1920 × 1080 at 30fps. It is capable of being deployed in gaming PCs and as a commercial solution for IPC, educational, and medical imaging solutions. Integrated hardware acceleration reduces CPU and GPU workloads for H.264 encoding, de-interlacing, color space correction, and scaling. Up to two cards can work in tandem to process multiple streams while reducing total system load.

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Digital Microscopes

Vision Engineering (New Milford, CT) announces the EVO Cam ll digital microscope. Major enhancements include up to 300× optical magnification, 12× digital zoom (combined magnification up to 3600×), customizable overlays to aid inspection, up to 10 preset settings for reduced set-up time, and the option to save images wirelessly. Dimensioning capabilities include a grid overlay in the X and Y axes.

When using a custom preset, the user can save different calibrations at set zoom positions for rapid dimensioning results. It captures live video streaming and high quality images at full-HD 1080p/60fps, resulting in no motion blur when manipulating samples. For additional clarity, the microscope features an 8-point LED ring light and optional sub-stage lighting, to create a shadow-free optimum viewing environment for a variety of components.

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CMOS HD Video Camera

The new JCS-HR5U from Toshiba Imaging Systems (Irvine, CA) is an ultracompact (approx. 1.75” × 1.75” × 3”), CMOS HD video camera designed for clinical microscopy and scientific imaging. The single-piece, 1920 × 1080 highdefinition video camera simultaneously displays through dual HDMI® and USB 3.0 outputs to both a monitor and a PC in real-time, full motion 60 frames per second (fps).

Outputs include USB 3.0 (1080p at 59.94 fps theoretical max.) and HDMI image output (1080p/1080i at 59.94 Hz, max.). The JCS-HR5U is designed for microscopy imaging applications that require extremely low noise, high sensitivity, and high color accuracy. A settings menu allows for dynamic controls for gamma correction, edge enhancement, a 12-color matrix adjustment, and other parameters to optimize the video display under a wide range of lighting conditions and target samples.

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Optical Fiber

PYROCOAT K Optical Fiber from OFS (Norcross, GA) has an improved coating with wider operating temperatures than typical commercially available polymer-coated fibers. With its reliable performance for fiber optics in extreme conditions, it provides thermal stability over various continuous temperatures/lifetimes: 275°C for 80 years, 300°C for 13 years, 325°C for 2.2 years, and 350°C for 18 days. These new optical fibers can also withstand short excursions at even higher temperatures, and long-duration stability at low temperature extremes, at and below -65°C.

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Photonics & Imaging Technology Magazine

This article first appeared in the May, 2018 issue of Photonics & Imaging Technology Magazine.

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