Imaging Lens & Laser Optics Manufacturer - edmund optics lens

 2024-11-07 12:22:56

VisionDirect

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.

Silicon turns translucent and passes SWIR light. This property aids many machine vision applications related to the semiconductor manufacturing process.

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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.

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Single vision glasses are designed to help people who require correction of farsightedness, nearsightedness, or astigmatism. These eyeglasses have just a single optical prescription correction and they distribute focus evenly over the entire surface area of the lens. Most people that wear glasses usually get this type. If you have multiple prescriptions you would require bifocal or multifocal eyeglasses.

To help you determine what SWIR wavelength is right for your application, Smart Vision Lights offers a Smart Box For Testing SWIR Wavelengths (Part #: S75-SCB-SWIR), which contains the following wavelengths of LEDs: 940 nm, 1050 nm, 1200 nm, 1300 nm, 1450 nm, and 1550 nm.

Switching light sources makes it possible to obtain the surface information and subsurface information of the apples simultaneously. Photo credit Sony Corporation. (left: visible light; right: short-wavelength infrared)

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“The machine vision industry has waited a long time to realize the full potential of cost-effective, multi-wavelength and multi-spectral imaging systems,” explains Matt Pinter, founder and Chief Technical Officer (CTO) at Smart Vision Lights. “In recent years, SVL has introduced more SWIR wavelengths – ranging from 1050 to 1550 nm – than any other machine vision lighting company. We’ve also led the industry’s development of multi-zone lights that combine different wavelengths in a single housing, as well as multi-light controllers, such as the LLM with Smart Vision Link wireless Bluetooth control technology, to bring all the elements together. When combined with cameras made from the SenSWIR or CQD sensor lines, our SWIR products empower machine vision system designers to develop powerful multispectral machine vision solutions for about the same price as a traditional color imaging machine vision solution. That’s a game changer, and we’re excited to be part of it.”

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Progressive or varifocal lenses provide a smooth transition from distance correction to near correction, eliminating segment lines and allowing clear vision at all distances, including intermediate, near and far. Progressive lenses are also known as no-line bifocal lenses. With these specialty lenses, the prescription at the top of the lens is different from that at the bottom of the lens. It differs from a bi-focal as there is a gradual shift in the prescription instead of a blunt line made in the lens. The very top part of the lens works well for distance. The bottom portion gets progressively stronger ending with the strongest portion at the very bottom for reading. A progressive lens allows the wearer to view all ranges of vision from near to far. Additionally, the lenses look identical to single vision lenses, with no lines, allowing others to only see your eyes!

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 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.

Trifocal lenses are similar to bifocals, except that the two focal areas are separated by a third middle area with intermediate focus correction. This area is used for intermediate vision; roughly at arms’ length, e.g. computer distance. This lens type has two segment lines, dividing the three different correcting segments.

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.

To learn more about machine vision applications for SWIR solutions, check out this recent tech note on SWIR imaging, and technical information on our multi-zone lights, controllers, and other specialty lights.

The primary purpose of glasses bifocals is to provide the optimal balance between distance vision and near vision focusing needs. Eyeglasses with bifocal lenses are available with the reading segments in a variety of shapes and widths including bifocal sunglass options.