Although the Lightgistics series targets logistics applications, the new lights can be reliably deployed into any high-speed inspection application involving fast-moving objects and quick repetition times.

Light spectrum

Electromagneticspectrum

Smart Vision Lights (SVL), a global leader in the design and manufacture of innovative LED illumination solutions, introduces the Lightgistics series, which aims to improve logistics and track-and-trace through machine vision lighting that offers greater than 10x brighter light pulses than its standard continuous mode.

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Highly reflective plastic wraps and shipping bags that present challenges in logistics applications such as barcode reading and optical character recognition (OCR), where speed and accuracy are key to success. Polarizers can overcome glare, but they reduce light output and therefore decrease clarity. The new Lightgistics series lights featuring Dual OverDrive — which combines SVL’s Deca OverDrive and standard OverDrive engines — are specifically designed to overcome this common challenge, allowing end users to attach polarizers while retaining exceptional light output that can handle any speed.

The electromagnetic spectrum is simply the full range of wave frequencies that characterizes solar radiation. Although we are talking about light, most of the electromagnetic spectrum cannot be detected by the human eye. Even satellite detectors only capture a small portion of the entire electromagnetic spectrum. From longest to shortest wavelengths, the spectrum is usually divided into the following sections: radio, microwave, infrared, visible, ultraviolet, x-ray, and gamma-ray radiation. Humans can only see a narrow band of visible light, which is a small fraction of the electromagnetic spectrum. We perceive this radiation as the colors of the rainbow ranging from red to violet, with reds having longer wavelengths (~ 0.7 micrometers) and violet having shorter wavelengths (~ 0.4 micrometers). But keep in mind how “long” these wavelengths really are. One micrometer (μm) is equal to one-millionth of a meter which is approximately 1/100 the diameter of a human hair – that’s small! For comparison, microwaves are on the order of one centimeter long and television and radio waves have lengths greater than one meter.

Visiblelight spectrum

Available in ring and linear formats, the new lights offer direct connection and control through a camera’s trigger output. The ring lights can be mounted directly to most common machine vision camera housings through optional mounting plates, while the linear lights come in 300 or 600 mm lengths and can be used to create tunnel systems capable of illuminating a package of any size. The result is perfect readability, no matter the shape or material.

The JWL150-DO, JWL225-DO, RHI200-DO, and LHI200-DO Lightgistics lights also feature a new integrated cable that connects to the camera, light, and controller and reaches up to 15 m, while universal mounts mean the lights work with almost any camera on the market. The combination of the integrated control cable and the universal mount provides a compact, one unit solution for plug-and-play functionality.

“With Dual OverDrive, each light has two OverDrive engines, the first of which is Deca OverDrive, followed by Standard OverDrive,” says Steve Kinney, Director of Training, Compliance, and Technical Solutions at SVL. “When triggered, Deca OverDrive mode delivers a light pulse that is double standard OverDrive levels, resulting in a pulse up to 1 ms in duration that is more than 10 times brighter than most lights in standard continuous mode.”

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