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Smart Vision Lights (SVL), a global leader in the design and manufacture of innovative LED illumination solutions, is pleased to introduce three separate lines of short wave infrared (SWIR) LED-based machine vision lights. These lights perfectly complement the recently introduced Sony IMX990 and IMX991 SenSWIR line of cost-effective imaging sensors as well as the quantum-dot SWIR Vision Systems CQD sensor line.

Sony’s IMX990 and IMX991 image sensors for industrial equipment are the first products to use the company’s new SenSWIR technology, in which photodiodes form on an indium gallium arsenide (InGaAs) compound semiconductor layer connected to the silicon (Si) readout layer via Cu-Cu bonding — a design that enables high sensitivity over a broad range of wavelengths. The SenSWIR design yields a SWIR image sensor that is compact yet capable of delivering seamless image capture over wavelengths ranging from 0.4 μm to 1.7 μm. With individual sensor pricing starting below US$1000, chips like the SenSWIR line and the recently introduced CQD sensor are poised to reshape the machine vision industry through a new era of cost-effective multispectral sortation and inspection systems.

Sony’s release specifically mentions using different colored lights to capture both surface information and subsurface information using consecutive images under different illumination wavelengths. “When Sony says ‘switching light sources,’ they are referring to SWIR LED lighting where the emission spectrum is relatively narrow and allows easy selection as well as visible light for surface characteristics,” explains Steve Kinney, Director of Engineering at Smart Vision Lights.

Today, Smart Vision Lights offers five different SWIR wavelengths — 1050 nm, 1200 nm, 1300 nm, 1450 nm, and 1550 nm — in three different form factors: linear, brick, and proximity spotlights.

Labels: Smart Vision Lights,machine vision,SWIR,camera,lighting,controllers,multispectral

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