Benchtop ionizer for hands-free static elimination
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LED light bars from AutomationDirect
Automation-Direct adds CCEA TRACK-ALPHA-PRO series LED light bars to expand their offering of industrial LED fixtures. Their rugged industrial-grade anodized aluminum construction makes TRACKALPHA-PRO ideal for use with medium to large-size industrial machine tools and for use in wet environments. These 120 VAC-rated, high-power LED lights provide intense, uniform lighting, with up to a 4,600-lumen output (100 lumens per watt). They come with a standard bracket mount that allows for angle adjustments. Optional TACLIP mounts (sold separately) provide for extra sturdy, vibration-resistant installations.
World's first metalens fisheye camera
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Orbex offers two fiber optic rotary joint solutions
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Mini tunnel magneto-resistance effect sensors
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Panasonic solar and EV components available from Newark
Newark has added Panasonic Industry's solar inverters and EV charging system components to their power portfolio. These best-in-class products help designers meet the growing global demand for sustainable and renewable energy mobility systems. Offerings include film capacitors, power inductors, anti-surge thick film chip resistors, graphite thermal interface materials, power relays, capacitors, and wireless modules.
Standard parts with signal feedback included
JW Winco standard parts are becoming even more functional -- multifunctional, to be precise. From smart stop bolts that report whether workpieces are precisely positioned in the machining process to cabinet handles with signal lights and fluid level indicators with electronic REED contact signals, intelligent standard parts from JW Winco ensure greater safety, higher efficiency, and increased stability. Many more very useful options available for a wide range of applications.
Create smarter control systems with relays
Control relays play a pivotal role in the world of automation and control systems. These versatile devices are designed to help you manage electrical circuits, making them indispensable for a wide range of applications. Learn the distinctive benefits of relays, including reliability and durability, versatility, ease of use, and costs. Check out the relays AA Electric has in stock too.
COMSOL Multiphysics Version 6.2 is here
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6 tips to streamline workflow in Mastercam 2024
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Leak detection sensor for multiple HVAC refrigerants
Sensata Technologies has launched the Sensata Resonix RGD sensor, the first leak detection sensor with UL certification for multiple A2L refrigerant gases used in heating, ventilation, and air conditioning (HVAC) equipment. It supports HVAC manufacturers' transition to refrigerants with a lower global warming impact. Typically mounted near the evaporator coil, the new sensor measures the acoustic resonance of the surrounding air in real time and can trigger mitigation, such as a fan, when A2L gas is detected.
New electro-pneumatic vacuum regulator
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Real-world applications: FUTEK 100 sensor examples
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Filter fans for enclosures: 70 models in new series
The new 4000 Series from Seifert Systems covers 70 UL-listed filter fan models designed for enclosure applications. They snap in place once a cutout is made in the enclosure. Mounting screws are available with EMC models or as an option. Filter media snaps in place and easily slides out for replacement. When used with a Seifert thermostat, 4000 Series filter fans can be turned on only when needed. Air flow ranges from 7 to 483 cfm.
New photon-counting camera captures 3D images with record speed and resolution
Researchers have developed the first megapixel photon-counting camera based on single-photon avalanche diode (SPAD) image sensors. The new camera can capture images in faint light at unprecedented speeds. [Credit: Arianna M. Charbon, Kazuhiro Morimoto, Edoardo Charbon]
Researchers have developed the first megapixel photon-counting camera based on new-generation image sensor technology that uses single-photon avalanche diodes (SPADs). The new camera can detect single photons of light at unprecedented speeds, a capability that could advance applications that require fast acquisition of 3D images such as augmented reality and LiDAR systems for autonomous vehicles.
"Thanks to its high resolution and ability to measure depth, this new camera could make virtual reality more realistic and let you interact with augmented reality information in a more seamless manner," said Edoardo Charbon from the Advanced Quantum Architecture Laboratory (AQUALab) at École polytechnique fédérale de Lausanne (EPFL) in Switzerland. Charbon developed the idea for the new camera and is the founder and head of AQUALab, where the image sensor was designed.
In Optica, The Optical Society's (OSA) journal for high-impact research, the researchers describe how they created one of the smallest SPAD pixels ever devised and reduced the power consumption of each pixel to less than 1 microwatt while maintaining speed and timing precision. The new camera can acquire images at up to 24,000 frames per second. For comparison, 30 frames per second is the standard rate used to record video for television.
"For transportation applications, this new camera could help achieve unprecedented levels of autonomy and safety by enabling multiple low-power LiDAR devices to be used on a vehicle, providing fast, high-resolution 3D view of the surroundings," said first author Kazuhiro Morimoto from Canon Inc. in Japan. "In a somewhat more distant future, quantum communication, sensing, and computing could all benefit from photon-counting cameras with multi-megapixel resolution."
A new kind of sensor
In less than 20 years, SPAD sensors have advanced from a novelty to versions that are standard in most smartphone cameras and many household devices. This technology's success comes from the fact that SPAD sensors are extremely efficient at detecting single photons and converting them into electrical signals that are stored in a digital memory. A large-format camera can be created by building an array of pixels that each contain a SPAD.
In the new work, the researchers drew on 15 years of SPAD research at the AQUALab in EPFL to create an extremely fast, high-resolution camera that leverages SPAD technology for advanced imaging. The new camera detects single photons and converts them into electrical signals at a record rate of about 150 million times per second. Each SPAD sensor can be finely controlled to allow light in for as little as 3.8 nanoseconds, roughly four billionths of a second. This quick "shutter speed" can capture extremely fast motion or be used to increase the dynamic range -- the difference between the darkest and lightest tones -- of an acquired image.
The researchers created extremely small SPAD pixels and designed for low power consumption by using a feedback mechanism that almost immediately quenches the avalanche of electrons triggered by photon detection. This improves the overall performance and reliability of the pixels. They also used enhanced layout techniques to pack the SPAD sensors tighter, thus upping the detection area density and enabling a camera with a million pixels.
The researchers then applied sophisticated integrated circuit design techniques to create an extremely uniform distribution of fast electrical signals over the large-scale pixel array. They showed that the shutter speeds varied by only 3 percent over the million pixels, demonstrating that this sensor could feasibly be made using available mass-production techniques.
High-speed 3D imaging
The camera's speed makes it possible to measure the time a photon hits the sensor very precisely. This information can be used to calculate how long it takes individual photons to travel the distance from a source to the camera, known as time-of-flight. Combining time-of-flight information with the ability to capture a million pixels simultaneously enables extremely high-speed reconstruction of 3D images.
The researchers used the new camera to determine the time-of-flight of photons emitted from a laser source and reflected by a target. They also captured complex scenes that are difficult for other imaging techniques to measure, such as an object viewed through a partially transparent window, and they used the camera to acquire conventional pictures with unprecedented dynamic ranges. Next, they plan to improve the performance and timing resolution of the camera and to miniaturize the components even further to make it more practical for a variety of applications.
Source: The Optical Society
Published April 2020
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