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Motion Scan and Data Collection Methods for Electro-Optic System Testing

This article discusses different scanning patterns and approaches that can be used to measure an electro-optic (EO) sensor’s performance. Measurements of sensor resolution, distortion, field-of-view (FOV) size, minimum resolvable contrast and minimum resolvable temperature (in the case of IR cameras) are all examples of performance metrics that are measured with these tests. Executing scan tests…

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Fundamental Concepts for Precision & Throughput in Laser Processing Machines

Most everyone familiar with large-scale industrial laser processing has seen a high-throughput laser CNC machine whirling around, cutting out large sheets and tubes of steel or aluminum with dizzying speed. Those of us involved in laser microprocessing, where part quality depends on micrometers of processing accuracy, wonder if we can achieve such feats of machine…

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Motion Actuator Designs for Electro-Optic Test Systems

This article discusses motorized angular drive mechanisms and performance differences between direct-drive gimbals, indirect-driven gimbals and articulated-arm robots for electro-optic (EO)testing applications. From this article, readers will gain an appreciation for the pros and cons of each drive technology and be able to make better choices when deciding which automated testing system would be best…

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Electro-Optic Sensor and System Performance Verification with Motion Systems

This article describes electro-optic (EO) sensors and how to use motion control equipment for their testing. EO sensors and the type of photonics tests employed to verify their performance are discussed, along with fundamental test design rules, best practices for selecting appropriate motion equipment, different ways to precisely steer the EO sensor line of sight…

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The Basics of Scanner Field of View and Strategies for Improving It

You’ve decided your process requires the speed and precision of a galvanometer-based laser scanner and you’re faced with determining which field of view your application will require. Many questions may come to mind, including: “What is a field of view?” “How will my laser and optical equipment affect my field of view?” “Which strategies exist…

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Metal Additive Manufacturing

The State of the Industry Metal additive manufacturing holds tremendous promise in how it will enable the production of components that were previously cost prohibitive or could not be produced with conventional manufacturing processes. As a result, industry and academia are making a concerted effort to further the development of metal additive processes. An increasing…

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