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Improving Additive Manufacturing with IR Cameras Aug 29, 2018 — 3D printing is revolutionizing manufacturing. Also known as additive manufacturing (AM), 3D printing is unlike traditional machining techniques because it uses computerized or digital models to generate simple parts and complex components, and adds material only where it is needed. A growing number of high-tech organizations around the globe are pioneering AM technologies to use in their own applications, which range from product development to specialized manufacturing, in ways as diverse as
Photonics Spectra, Oct 2018
Application-Specific Machine Vision Simplifies Aircraft Maintenance Aug 22, 2018 — Machine vision systems, however automated, do not exist in isolation. They must augment and intelligently interact with human operators. Workflows can benefit from 3D optical vision systems. In particular, vision systems technology shows significant...
EuroPhotonics, Sep 2018
Photothermal IR Spectroscopy Boosts Chemical Microscopy, Expands Applications Aug 15, 2018 — Current bioanalysis largely relies on tissue homogenization and separation, followed by various assays. Without spatial and temporal dynamics information, the way in which molecules execute their functions in a living system remains unknown....
BioPhotonics, Sep 2018
High-Precision Laser Therapy Transforms Dentistry Aug 13, 2018 — Since the late 19th century, the mechanical drill has served as the cornerstone of dentistry. However, as dentists’ responsibilities continue to expand — and after decades of academic research resulting in the advancement of...
BioPhotonics, Sep 2018
OCT Promising as Clear Point-of-Care Solution Aug 13, 2018 — Medical devices at the point of care allow clinicians to do what they do best: determine a patient’s exact condition and a course of treatment. These technologies work best when they fit seamlessly into the provider-patient workflow without a...
BioPhotonics, Sep 2018
Advanced Imaging Techniques Enhance Fluorescence Sensing Aug 9, 2018 — Detecting fluorescence light via imaging and fluorescence sensing can take researchers and clinicians into the body, allowing them to visualize samples and biological progression of areas such as cancer detection or cardiovascular function. The...
BioPhotonics, Sep 2018
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With Lasers, 3D Printing on a Miniature Scale Aug 6, 2018 — Copies of buildings and the Statue of Liberty that are only microns tall — these are examples of what’s been done with three-dimensional nanolithography, known as 3D nanoprinting. Also possible today is the manufacturing of optical,...
Photonics Spectra, Sep 2018
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Manufacturing High-Performance Mirrors Aug 2, 2018 — When it comes to long-range, multispectral optical systems, large mirrors play an integral role; there are tens of thousands of optical units containing large mirrors around the globe. With minimum diameters starting at 200 mm, the largest mirrors...
Photonics Spectra, Sep 2018
White Light Interferometry for Highly Accurate Thickness Measurements Aug 1, 2018 — White light interferometry (WLI) is a common system of measurement with a long history and a variety of applications, which currently include surface profiling1, medical imaging, and — as in the past — thickness measurement. Also known as coherence...
Photonics Spectra, Sep 2018
Harsh-Environment Fiber Optics for Aerospace Jul 31, 2018 — In its most basic form, bare optical fiber consists of a silica core and a cladding whose indices of refraction vary slightly. However, bare fiber is not very useful beyond a laboratory setting because its performance is highly susceptible to its...
Photonics Spectra, Sep 2018
Nanometer-Scale Automation for Optical Device Manufacturing Jul 27, 2018 — Manufacturers of optical devices know the importance of mature industrialized processes built around the cost savings of automation. These processes have made manufacturing optical devices economical in a number of speed- and bandwidth-sensitive...
Photonics Spectra, Sep 2018
Tunable Laser Light Sources Advance Nanophotonics Research Jul 26, 2018 — A considerable part of contemporary photonics research that investigates the interaction of light with nanoscale objects — nanophotonics — is motivated by the commercial potential of real-world devices. A vast number of experimental studies call for...
EuroPhotonics, Sep 2018
Lensless Cameras May Offer Detailed Imaging of Neural Circuitry Jul 19, 2018 — Understanding brain function at the scale of individual neurons could open the door for advanced understanding of animal and human behavior and the mechanisms of neurological disorders such as Alzheimer’s. But the size scale of neurons and...
BioPhotonics, Aug 2018
Optics Tools Advance in New Forms with Space Exploration Jul 12, 2018 — With a new generation of large telescopes comes new challenges for optics. Some mirrors, for instance, must be large but flexible to perform wavefront correction and make the images as clear as possible. The shape of future optics will be different...
EuroPhotonics, Sep 2018
Quiet Lasers, Cool Science Jun 27, 2018 — In the 1960s, just a few years after the laser was invented, researchers contemplated its use as a precision tool to control the motion of neutral atoms. Early research focused on the use of an opto- mechanical force based on the scattering of...
Photonics Spectra, Aug 2018
Terahertz Spectroscopy on the Cutting Edge of Material Testing Jun 27, 2018 — Just a few years ago, the application of terahertz radiation seemed obscure at best. If experts were asked for killer applications, few could be named. In 2018, however, terahertz measuring instruments are showing significant market potential....
Photonics Spectra, Aug 2018
Smartphone Spectroscopy Promises a Data-Rich Future Jun 26, 2018 — The seminal 1960s television series “Star Trek” delivered futuristic inventions and Captain James T. Kirk’s roguish smile into American homes on a weekly basis. Among the show’s memorable gadgets were the communicator, which inspired the design of...
Photonics Spectra, Aug 2018
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Improving Automation with 3D Vision Jun 26, 2018 — If a traditional picture is worth a thousand words, what’s the value of a 3D image? Quite a bit when it comes to automation. Consider a robot picking a part out of a bin in an automated assembly line. “If you want to accurately grab a pinion out of...
Photonics Spectra, Jul 2018
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Better Filters Yield Better Sensor Performance Jun 26, 2018 — From weather satellites to lidar for self-driving cars, precision optical filters play a vital role in making sensors work. Today, the ability to interrogate more and more sections of spectrum promises enhanced capabilities for these and other...
Photonics Spectra, Aug 2018
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Navigating Best Laser Choices Crucial for Microwelding Jun 25, 2018 — Four distinct laser types are suitable for microwelding: pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG); continuous-wave (CW) ytterbium-doped fiber; quasi-continuous-wave (QCW) fiber; and nanosecond pulsed fiber. Each laser offers unique...
Industrial Photonics, Jul 2018
Catching Up with Kent Jun 25, 2018 — Q: Were you serious about science as a young person? Was there a pivotal event or person who really put you on the path? A: Actually, I wanted to be a musician. It just took me a while to realize that wasn’t in the cards. I had a math teacher who...
Photonics Spectra, Aug 2018
Minimizing Stray Light in Everyday Optical Systems Jun 22, 2018 — Very often when optical engineers hear “stray light” or see a requirement for some level of either stray light analysis or testing, they become concerned. They wonder how such a simple system can have stray light problems. Or they think stray light...
Photonics Spectra, Aug 2018
Lasers for Micromachining: Shorter Pulses, More Power Jun 5, 2018 — Smaller devices, tighter tolerances, and higher performance demand finer and finer features — hence the increasing need for micromachining. For lasers, this often translates into a requirement for shorter pulse widths. However, these must be at the...
Industrial Photonics, Jul 2018
Vision Systems for 3D Measurement Require Care to Ensure Alignment Jun 1, 2018 — Calibration, pointing accuracy, and repeatability are critical to the success of vision systems for measurement. This is especially true for precise 3D multicamera measurement applications where single-pixel measurements are needed to help machine...
Industrial Photonics, Jul 2018
Optical Interconnects Set to Achieve Bandwidth Benchmark May 30, 2018 — Countless emails, text messages, pictures, and videos are posted on social media every day, along with unfathomable amounts of data that must be processed by the likes of Amazon and Google. All of this information must be stored and processed in...
Photonics Spectra, Jul 2018
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