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TEST & MEASUREMENT WHITE PAPERS
Impacting Health and Well Being with Precision Light Measurement, Networks, and Big DataPrecision light measurement positively impacts our efforts to improve health, comfort, and productivity. Today’s availability of advanced detectors, high-performance compute, scale-out sensor connectivity, and big data analytics can be applied to light measurement to explore and solve existing and emerging problems. Two application areas are explored: (1) the use of UV-C to deactivate pathogens including SARS-CoV-2 and (2) the optimization of artificial lighting, particularly LED lighting.
Plastic Sorting Using Mid-IR Linear Detector ArrayThis paper explains how to use MID-IR linear detector array in sorting area. High performance optical sorting systems are the main application of multielement detectors. The detector line scans elements moving on the tape and allows their...
Light Engine Stability and LongevityOperational lifetimes of solid-state light sources ranging from 10,000–20,000 hours are often cited. These estimates are often derived for single light emitting diodes (LEDs) and are not representative of sophisticated, integrated light engines in...
ISO Compliance of Non-Contact, Real-Time Beam AnalysisLaser power levels used in production have risen significantly. Welding systems commonly use laser powers in the range of multiple kW. To deliver high product quality, key parameters of the laser beam must be measured regularly. Ophir has tackled...
How OFDR is Redefining Optical Component CharacterizationModern optical networks require ever higher-speeds and the associated optical and electronic systems must be smaller and less power-hungry. This need has driven major investments in new component technologies that leverage semiconductor technology,...
Saving Vision With Light: Five Startup Technologies That Are Revolutionizing Eye CareEarly detection is critical for treating damage and diseases of the eye. Advances in the size, sensitivity, and price of optical components are enabling a new generation of compact, powerful, and affordable ophthalmological imaging tools. These...
How to Specify a Custom Designed InstrumentWhile it can seem daunting to design a custom instrument from scratch, a well-organized preparation effort and a knowledgeable industrial partner can simplify the process and, more important, greatly reduce its budgetary cost and time investment....
Custom vs. Off-the-Shelf Solutions: Are you dreaming big enough?Custom positioning solutions provide more leeway for innovation, and at far less cost, than many customers realize. Irrespective of whether the goal is a one-off solution or multiple units for a wider industrial instrument, an evaluation of standard...
Hexapod Advancements: Alignment and Industrial Control Applications1) Hexapod parallel kinematics together with novel controllers and algorithms allow for faster coupling optimization between (fiber) optical devices, across multiple channels. Many industries can achieve significant process savings, including...
Making Color Images – How Bayer Filters WorkBayer filters are the most popular type of color filter array used by camera manufacturers to produce color images. This paper will describe how we perceive color, how a Bayer filter utilizes this information to detect colors, the common artifacts...
Industrial Laser Measurement Systems: Best PracticesWhen discussing laser applications, regardless of how the laser is used, it is imperative to understand how the laser is interacting with the material being processed. This article will detail why a laser’s performance is important for industrial...
Schlieren and Shadowgraph Imaging TechniquesSchlieren and related techniques are used in aerodynamics, ballistics, and fluid dynamics studies to aid researchers in accentuating subtle changes to the medium being studied due to pressure, density, and temperature inhomogeneities. This paper...
Building a DIY Atomic Force MicroscopeAtomic force microscopes (AFM) are often seen as out of reach for many scientists with limited budgets. But they are useful and versatile tools for characterizing surfaces, mapping out morphology, and studying the behavior of tiny structures that...
Close Is Not Close Enough: Micropositioners' Role In NanopositioningWhen working at the nanoscale, every input has seismic impact on the ability to view, position, or manipulate the object of their attention. Whether the application is in single-molecule spectroscopy, optical trapping, super-resolution microscopy,...
Cassegrain Telescope with Fold MirrorThe following document will cover the analysis of a Cassegrain Telescope system. The polarization properties of the system will be measured with the Polaris-M software and the effects on imaging will be discussed. All plots and data have been...
Advances in Precision Motion Control and MechanismsPart I: Improving Stage Accuracy with ACS Dynamic Error Compensation Even the best precision motion systems exhibit some amount of position error. These errors can be measured using external measurement devices, such as a laser interferometer, and...
How to Improve Resiliency in the Medical DeviceThis white paper examines how breakdowns in product quality, delivery, or availability can greatly disrupt supply chain management. But teaming up with a value-based, ISO 22301-certified supplier can provide engineers and medical device...
Highly Efficient Tunable Filter for Broadband Light SourceA new, simple and compact approach for tunable wavelength filtering is introduced with a device called Flexible Wavelength Selector. This new device combines the flexibility of a monochromator with the imaging functionality of a thin-film...
VCSEL Measurement SolutionsVertical Cavity Surface Emitting Lasers (VCSELs) are a type of semiconductor laser diode. Unlike edge emitting laser diodes, VCSELs emit upwards and thus can be easily packaged as emitter arrays containing hundreds of emitters on a single chip. Many...
Learn about the Rhea Spectrometer SeriesAdmesy’s Rhea is a flexible platform in configurable spectral measurement demands within the range between 200 and 1100 nm. Various choices in slit size, gratings, and sensors allow you to build the perfect spectral measurement solution for your...
Cloud-Based, AI Deep Learning Enabled Handheld Raman for Mixture AnalysisCloudMinds XI™ is the world’s first cloud-based, AI deep learning enabled handheld Raman spectrometer. Being integrated with a smartphone, its operation is fully automated with an intuitive android app suitable even for novice users. XI™...
Single Frequency Fiber Lasers for Doppler LidarThis article reviews Doppler lidar, which is widely used to measure the velocity of solid objects, winds, and aerosols. After reading this white paper, you will understand the entangled relationship between range and velocity resolution; and why it...
Measuring Small-Beam MFD: Overcoming the ChallengesSmall beams are used in many critical applications, such as such as fiber optic coupling efficiency, defect scanning, optical design, and optical fabrication process control. Yet often, they are not directly profiled because determining the size of...
Improving Additive Manufacturing with Accurate Surface MetrologyStandard manufacturing formative techniques (e.g., molding, injecting, casting, stamping, forging) and subtractive processes (e.g., CNC milling and turning, drilling, cutting) are being challenged by new technologies, such as additive manufacturing,...
Linear Stages and Piezo Flexure Mechanisms Engineered to Advance Precision Motion ControlPart I: What Machine Builders want in a Precision Linear Motor Stage: Precision automation engineers have different requirements than their colleagues in the instrumentation sector: robustness, size, dynamics, and 24/7 reliability. Novel linear...
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