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MATERIALS, COATINGS FEATURES
Precision Optics Shape Both the Light and the Limits of High-Power Lasers Mar 3, 2022 — High-power lasers have become a standard and ubiquitous tool in many industrial applications, due, in part, to the precisely controllable energy that they provide. But “high power” can be a challenging term to parse, and it often needs some external context to define. Laser applications are of limited help when qualifying the threshold for high-power output, as laser parameters can range from a 10-W beam in a 3D printer to the 100-kW beams generated by satellite-based lasers. What...
Photonics Spectra, Apr 2022
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Promise of Organic Photonics Looms Large Oct 3, 2017 — Organic materials could supersede their inorganic cousins in many applications thanks to some unique and intriguing properties. From lasers, lighting and Li-Fi (light fidelity) to OLED TVs and solar cells, organic photonics offers a thin, flexible...
Photonics Spectra, Oct 2017
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Breaking the Mold: Overcoming Manufacturing Challenges of Chalcogenide Glass Optics Apr 3, 2015 — Fabricating optics using chalcogenides can be challenging because of these glasses’ special optical, mechanical and economical characteristics. Diamond-turned machining is a viable option for addressing some of the issues with the conventional...
Photonics Spectra, Apr 2015
Transparent Ceramics: Enabling Large, Durable, Multifunctional Optics Feb 4, 2015 — Aluminum oxynitride and magnesium aluminate spinel are mechanically strong, hard and scratch resistant; they are also chemically durable. Both exhibit broadband transmittance from near-UV to mid-IR. Single-crystal sapphire has been the material of...
Photonics Handbook, Mar 2009
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...
Photonics Handbook, Mar 2009
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,...
Photonics Handbook, Mar 2009
Nanotube-Based Solar Cells Make More of the Sun Dec 12, 2014 — They’re cheaper, lighter, flexible and easy to dispose – it’s little wonder that carbon nanotubes are grabbing the attention of solar cell specialists in Europe and beyond. Since they were first discovered in 1991, carbon nanotubes...
Photonics.com, Dec 2014
SWIR Applications and Challenges: A Primer Sep 5, 2014 — Infrared imaging opens endless possibilities for industrial, scientific and security image-processing applications. But short-wave infrared cameras must overcome the limitations of InGaAs sensor technology to provide high-quality images....
Photonics.com, Sep 2014
Lasers Help Carmakers Chase Fuel Efficiency Sep 4, 2014 — Laser-based technologies and techniques including drilling, welding and measurement allow auto manufacturers to keep pace with the demand for lower emissions. For car manufacturers, the number 54.5 looms large. That’s the mile-per-gallon...
Photonics Spectra, Sep 2014
Ultrashort-Pulse Lasers Take the Heat Out of Materials Processing Jul 18, 2014 — Ultrashort-pulse (USP) lasers have, since the late 1990s, been an exciting technology looking for opportunities to gain mass market application in industrial materials processing. In recent years, a wide range of new products offering innovative...
Photonics.com, Jul 2014
Next-Gen LED Lamps Bring Costs Down Jun 9, 2014 — LEDs top almost every other illuminant in lifetime and performance, but – unfortunately – also in production costs. This is where molded interconnect devices come in, offering considerable freedom for the arrangement of LEDs and much...
Photonics.com, Jun 2014
Challenges Not Insurmountable for Terahertz Spectroscopy May 19, 2014 — Cost, size and power must be addressed before terahertz spectroscopy can broaden its commercial acceptance – but steps are being taken. Today, terahertz spectroscopy shows promise for some fascinating applications, from detecting illicit drugs...
BioPhotonics, Jun 2014
Fast Short-Pulse Lasers Enhance Surface Cleaning, Aluminum Welding Preparation Apr 16, 2014 — It is well-known within the laser community that the same technologies used for surface ablation and engraving can be applied for surface cleaning and coating removal of various types. However, the technology has been used mainly for smaller parts...
Vision-Spectra.com, Apr 2014
Vision Offers Control of a High-Power Laser Ablation Process Apr 16, 2014 — Using high-power lasers to remove coatings (paint) from aircraft surfaces offers a significant improvement in process efficiency and reduction of both consumables and waste streams. The ability of lasers to quickly ablate paint from surfaces comes...
Vision-Spectra.com, Apr 2014
Market Growing for Laser-Based Machine Vision Technologies Apr 7, 2014 — A panel of industry experts weighs in on recent and future advances in laser technologies for machine vision, and offers a look at the market. Laser-based machine vision can be a valuable tool for manufacturers looking to improve various areas of...
Photonics Spectra, Apr 2014
The Better to See You With Apr 7, 2014 — Advances in manufacturing and materials will help the military spot targets faster – and from farther away. For the military, the name of the game is to see first and farthest, which makes optics vital. The length of an optical path can set...
Photonics Spectra, Apr 2014
Materials Evolving for Lighter, Stiffer Optics Mar 7, 2014 — Building better optical materials will impact applications in high-energy lasers, consumer devices and more. For optical materials, less can be more: Coatings that reflect less could lead to displays that are brighter and can be seen over a wider...
Photonics Spectra, Mar 2014
Trends in Optics Jan 16, 2014 — Advances in optics in the past year or two have ranged from promising new optical materials to innovations in existing technologies. From optical coatings and add-on kits to quantum dots and metadevices, the scope of progress is as extensive as it...
Photonics Spectra, Jan 2014
Better Materials Mean Better Solar Cells Sep 1, 2013 — Innovation in materials research is revealing a future in which solar power is inexpensive and efficient, and sunlight-harvesting thin films cover everything from airplanes to buildings. Crystalline silicon, or c-Si, is the dominant photon-absorbing...
Photonics Spectra, Sep 2013
Scanning Goniophotometers Improve Materials Selection Oct 1, 2012 — Measurement of a material’s specific scattering properties takes the guesswork out of choosing materials for various applications. Measuring the optical scattering of materials allows engineers to choose the very best materials for...
Photonics Spectra, Oct 2012
Lasys 2012 to Emphasize Materials Processing Jun 1, 2012 — Every two years, the trade fair draws thousands to Stuttgart to discuss new technologies, applications and ideas for laser systems. Innovations and recent developments in laser technology – machines and subsystems, processes and services...
Photonics.com, Jun 2012
Property Management: A Review of Optical Materials Sep 1, 2011 — Optical materials are as old as the natural quartz and obsidian crystals early civilizations used to change the way people saw the world. Artificial materials came later, with mirrors and other optics produced following the growth of art glass in...
Photonics Spectra, Sep 2011
Antireflection Coatings for the Ultraviolet, Visible and Near-IR Mar 8, 2009 — Graphs showing reflection curves of common antireflection coatings...
Photonics Handbook, Mar 2009
Data Tables: Optical Thin-Film Materials Mar 8, 2009 — Tables showing parameters of the most frequently used physical vapor deposition materials for a wide variety of applications.
Photonics Handbook, Mar 2009
Mirrors: Coating Choice Makes a Difference Mar 8, 2009 — A mirror is an important element in many optical systems. Its basic function is to redirect light, often with the purpose of making an optical system more compact. This article discusses the kinds of thin-film coatings that can be used for mirrors....
Photonics Handbook, Mar 2009
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