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TEST & MEASUREMENT WHITE PAPERS
Daisy-chaining Data and Power to Reduce CablingSetting up motion control systems can be time consuming, costly, and complex. At Zaber, we focus on simplifying motion control. One way our systems can save you time and money is by reducing the number of cables required for a multi-axis system. While there are a few ways to reduce cabling, in this case we will be discussing daisy-chaining both data and power for multiple Zaber devices. Daisy-chaining refers to the connection of several devices in a linear series. Zaber’s stepper motor...
History and Future of Photonics Alignment Automation, Test & Assembly of SiP ComponentsSince first securely linking computers 40 years ago, optical fibers were broadly adopted in smaller and smaller applications over time to the most recent application as a data link from one chip to another. The diminishing of scale is also seen in...
Noncircular in Perfection - Production Accompanying Measurement of an AsphereIndependent of the application, whether in satellite optics, video lenses or endoscopes - aspheres have already become indispensable in a wide range of highly versatile technical fields of application. Regardless of the system’s size, they all have...
A New Spectral Analysis System Designed to Measure High-Performance Thin-Film Optical FiltersThe HELIX Spectral Analysis System was designed to address the limitations of most commercially available spectrophotometers when measuring high-performance thin-film optical filters. The system’s capabilities are four-fold: it is able to track...
Using Newport 1936-R/2936-R Power Meters for Low-Power, Pulsed or Modulated Light SourcesRecent advancements in photonics technologies have broadened their applications into many different areas. An increasingly larger number of complex and diverse forms of light sources are designed into various systems and experimental setups. These...
Advances in Precision Parallel Robotics: Hexapods Improve Production ProcessesPrecision assembly processes in the semiconductor, electronics, and automobile industries are benefitting from new capabilities of hexapod 6-axis motion and positioning systems in production processes. Advances in controllers allow real-time...
Autonomous automobiles don’t operate underwater, however…Autonomous vehicles use an assortment of sensors and imagers including LiDAR (Light Detection and Ranging). Whether it’s scanning system, solid state, or flash these systems need to be calibrated for sensitivity over a dynamic range of light...
Reducing Production Waste with Laser Profiling and CharacterizationA laser profiling system can characterize and identify which variables affect product quality and waste. But many laser users have never evaluated the quality of the beam beyond the initial delivery. This leads to frequent process adjustments to try...
Lateral-Effect PhotodiodesAs the number of applications requiring mechanical alignment increases, the demand for new types of position-sensing detectors, specifically Lateral-effect PSDs is on the rise. These position sensors feature state of the art lateral technology to...
Principles of Lock-in Detection and the-State-of the-ArtUnderstanding the basic working principles of lock-in amplifiers is key to working effectively in many of today’s photonics labs, where signal modulation imposed by pulsed lasers, AOMs, EOMs, optical choppers and other devices is ubiquitous. The...
Laser Measurement Best Practices: How and When to Apply MeasurementsThere are many challenges that come with laser material processing. New tools can provide the means for more thorough application development, successful laser system integration, and can help to implement a more comprehensive laser maintenance...
Modal Launch Conditions - Measurement and ControlIt has been known for many years that modal launch conditions have a major affect on the attenuation and bandwidth measured in multimode cabling systems. This white paper explores ways in which the international standards community has addressed...
When Smart Sensors Require Smart SourcesRGB sensors are calibrated to predict the indoor or outdoor ambient lighting conditions and are used to make appropriate corrections and trigger functions like auto adjusting display brightness. To do this effectively requires a smart calibration...
How Quantum Cryptography WorksData security and data exchange are topics with increasing importance. How do you prevent data from being intercepted by a third party? The solution lies in cryptography: The message must be encoded. But what if the key exchange is intercepted? This...
Optical Design Tolerancing: A Key to Product Cost ReductionThe ideal optical system design minimizes production costs and meets performance requirements using achievable component and assembly tolerances and well-chosen post-assembly adjustments. Optical design software can help make this ideal manufactured...
See How Forensic Investigators Research Cases Using FLIR Thermal CamerasResearchers have been looking for an alternative method of detecting the presence of dilute concentrations of blood on fabric. They have found a solution in thermal imaging with FLIR thermal imaging cameras. While blood is not visible on its own in...
Working with your benchtop spectrometer at high and low sample cuvette temperaturesSpectroscopy labs are home to spectrometers of varying types: UV-Vis-NIR absorbance, fluorescence, and circular dichroism, for example, all sitting on benches at room temperature. When a scientist wants to measure spectral properties of a sample at...
Optical Power MeterAn optical power meter measures the photon energy in the form of current or voltage from an optical detector. Newport’s 1936/2936-R Series Optical Power Meters are among the most versatile power meters in the market, and the electronics adapt to a...
Measuring Non-Light Sources with Commercial Laser Beam Profiling SystemsLight emitting devices ranging from LEDs and luminaires to dental curing lamps and UV sterilization systems may benefit. With care and knowledge of light measurement devices, non-coherent light sources can be measured effectively and efficiently...
New Possibilities in Precision Robotics: Hexapods Improve Production ProcessesPrecision assembly processes in the semiconductor, electronics, and automobile industries are benefitting from new capabilities of hexapod 6-axis motion and positioning systems in production processes. Advances in controllers allow real-time...
The FISBA RGBeam™ - Three Co-aligned Diode Laser Sources in One Convenient PackageThe FISBA RGBeam answers an industry need for a compact and customizable laser module. It’s small size and efficient coupling make it an excellent light source for use across many disciplines, including life sciences, industrial metrology and...
Non-Invasive Combustion Diagnostics – PLIF, PIV and Next Generation Imaging DetectorsCombustion processes, if uncontrolled, are inherently inefficient and increasing the efficiency of combustion in engines, gas burners and furnaces is a significant challenge for the future due to limited fossil fuel resources and their effects on...
Integrating Sphere Fundamentals and ApplicationsAn integrating sphere collects electromagnetic radiation from a source completely external to the optical device, usually for the purpose of flux measurement or optical attenuation. Newport’s general purpose spheres (GPS) are designed as...
Enhancing Laser Performance: Top 5 Critical Measurement ScenariosWith all of the data being generated, it is sometimes easy to "lose focus" on why laser measurements need to be taken. There are five scenarios in a laser's lifecycle where taking measurements are vital, both to the process, which the laser is being...
Infrared Camera Accuracy and Uncertainty in Plain LanguageHow accurate are thermal imaging cameras, and how are they calibrated? Understanding infrared camera accuracy and sensitivity can help clarify the value of well-calibrated thermal imaging cameras. In this paper, we use layman’s terms to explain how...
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