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Know Your Needs for Best Machine Vision Camera Selection Mar 9, 2016 — Technological advances have resulted in new, higher-quality sensors that enable machine vision cameras to deliver greater features and functionality at a lower cost than ever before. These factors are motivating businesses in a widening range of industries and sizes to pursue these new, improved and more affordable cameras. Consequently, North American vision system sales, which include smart cameras and application-specific machine vision systems, climbed to $2 billion in 2015 from $1.6
An Introduction to Laser Process Qualification Mar 8, 2016 — There is a big step from successfully demonstrating a new laser process on a limited number of samples under laboratory conditions, to scaling that process up for high-volume industrial use. In particular, it’s necessary to determine how...
Nanopositioning: A Step Ahead Feb 1, 2016 — It is almost a cliché among students of creativity that innovation occurs at the intersection of fields. Since nanopositioning is a discipline that has enabled swiftly evolving application arenas as diverse as materials science, genomics,...
Laser Measurement System Best Practices Oct 8, 2015 — Given the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these devices — the choice usually comes down to the...
Aspheric Lenses: Optimizing the Design Sep 1, 2015 — This second of two articles discusses the tools optical designers need to tailor their designs to the appropriate manufacturing process, optimizing the cost of component fabrication.
Fiber Optics: Understanding the Basics Jul 1, 2015 — Nothing has changed the world of communications as much as the development and implementation of optical fiber. This article provides the basic principles needed to work with this technology. Optical fibers are made from either glass or plastic....
WITS$ — A Rough Guide to Selecting a Photodetector Jun 29, 2015 — Light is a versatile tool for investigating physical and chemical processes in nature. Any specific system being analyzed may, through the light it emits or reflects, communicate information about itself. Electrical signal is an effective medium for...
Laser Safety Considerations for Industrial Environments Apr 9, 2015 — When purchasing an industrial laser system, the astute buyer will look for a Class 1 laser product – a system where the laser beam hazard is completely enclosed and there is no potential laser radiation exposure to the operator or anyone in...
Bandpass Filters: Past and Present Jan 1, 2015 — Bandpass filters are passive optical devices that control the flow of light. They can be used either to isolate certain wavelengths or colors, or to control the wavelengths reaching a detector. Applications range from detecting the gaseous...
Common Infrared Optical Materials and Coatings: A Guide to Properties, Performance and Applications Jan 1, 2015 — The purpose of this guide is to identify the most common infrared transmitting materials, point out their key properties, applications, products manufactured, surface specification options, and general antireflection (AR) coating options. AMTIR-1...
Detectors: Guideposts on the Road to Selection Jan 1, 2015 — Choosing a detector requires evaluating many operating parameters and desired outcomes. This introduction provides a series of guideposts that will help lead the way to the right one. Any number of medical, industrial and analytical applications...
Diode-Pumped Lasers: Performance, Reliability Enhance Applications Jan 1, 2015 — The latest technology advances take diode-pumped solid-state lasers into new realms of power and wavelength, enabling many new applications. Neodymium-doped crystals and glasses such as Nd:YAG (neodymium:yttrium aluminum garnet) have long been used...
Excimer Optics: High Power Demands High Reliability Jan 1, 2015 — The excimer laser, a powerful source of UV radiation, has accelerated its move from the research laboratory to industrial and commercial applications such as photolithography, mate...
Fiber Lasers: New Types and Features Expand Applications Jan 1, 2015 — Since its inception, the fiber laser has attracted users because of its large gain and the ability to produce continuous lasing. The quasi-continuous wave for industrial applications further broadens fiber lasers’ appeal. The modern fiber...
Lasers: Understanding the Basics Jan 1, 2015 — Although lasers range from quantum-dot to football-field size and utilize materials from gases to solids, the basic technology is the same. This article provides the essential information about how lasers work and why. When the laser was first...
Light-Emitting Diodes: A Primer Jan 1, 2015 — Light-emitting diodes (LEDs) are semiconductors that convert electrical energy into light energy. The color of the emitted light depends on the semiconductor material and composition, with LEDs generally classified into three wavelengths:...
Plastic Optics: Specifying Injection-Molded Polymer Optics Jan 1, 2015 — The versatility of polymer optics opens new doors for optical designers who understand the whys and hows of specifications. The use of precision polymer optics is becoming an increasing necessity today as products demand sophisticated light handling...
Thin-Film Coatings: A Buyers' Guide Jan 1, 2015 — What are thin-film coatings? Optical thin-film coatings modify the transmittance and reflectance properties of the substrate material to which they are applied. This article provides an objective overview of typical performance characteristics,...
Optical Delay Lines: Key to Time-Resolved Measurements Dec 8, 2014 — To obtain an accurate means of creating reliable delays in any time-resolved spectroscopy or dynamic experiment, several factors about the delay line stage must be considered to reduce or eliminate errors associated with linear stages. One of the...
A History of the Laser: A Trip Through the Light Fantastic May 21, 2010 — A HISTORY OF THE LASER - In honor of the laser turning 50, here is a timeline of some of the more notable scientific accomplishments related to light amplification by stimulated emission of radiation (laser). The laser would not have been possible...
Adhesives for Fiber Optics Assembly: Making the Right Choice Mar 8, 2009 — Using the proper adhesive in the assembly of fiber optic components not only saves time and expense, but also can improve reliability and performance. Adhesives for fiber optic components that perform well on glass, metal, ceramic and most plastic...
Beryllium Mirrors: Refinements Enable New Applications Mar 8, 2009 — Beryllium mirrors are finding commercial applications, while maintaining their military and space applications. Refinements in design and improvements in manufacturing technology have cut costs and new coatings have enabled high-power applications...
Broadband Spectrophotometry: A Fast, Simple, Accurate Tool Mar 8, 2009 — Broadband spectrophotometers coupled with relatively simple algorithms can provide fast, nondestructive and comprehensive characterization of thin films. Designing devices that incorporate ultrathin films is an important means of enhancing yields....
Connecting Photonic Devices: Two Routes to Achieve Accuracy Mar 8, 2009 — Because photonic components such as multiplexers, carrier and pump lasers and attenuators must fit within a network and survive up to 20 years, how they are connected is a critical issue.Photonic devices that contain lenses, crystals, laser diodes...
Connectors and Splices: Correct Alignment Spells Success Mar 8, 2009 — Whether the job is splicing fibers together or connecting fibers to system devices, alignment is the key to success. This article explores the many ways to achieve that goal. Just as an electronic connector provides a pluggable connection between...
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