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A Row Displacement Correction Algorithm for High-speed and Accurate Terahertz Raster Scanning Imaging
Terahertz time-domain spectroscopic imaging has become a common and useful technique for various interdisciplinary studies. Raster scan is still the...
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Optimization of Local Processing Conditions in Complex Part Geometries Through Novel Scan Strategy in Laser Powder Bed Fusion Process
Additive manufacturing (AM) involves construction of 3D parts by sequentially adding material to a component and has undergone advancements in the...
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A study on the development of sub-micron single-crystal diamond tools for machining diffractive optical elements
Machining fine patterns of hundreds of nanometers requires the use of 5-axis equipment and fine tools with precise control. In this study, the...
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Non-raster Methods in Scanning Probe Microscopy
Scanning probe microscopy (SPM) refers to a family of technologies for probing systems with nanometer-scale features in which a probe interacts with...
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Investigation of surface imperfection in freeform optics with high-order XY polynomial design
Freeform surfaces find potential applications in optics but pose new challenges for manufacturing and functional testing. A basic description of such...
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Experimental, computational, and data-driven study of the effects of selective laser melting (SLM) process parameters on single-layer surface characteristics
In this study, the influence of selective laser melting (SLM) parameters on the surface characteristics of “single-layer” raster scanning deposits,...
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Signal Transformed Internal Model Control for Non-raster Scanning of Piezo-actuated Nanopositioning Stages
This paper proposes a new signal transformed internal model control (STIMC) scheme for non-raster scanning patterns of piezo-actuated nanopositioning...
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The effect of scan path on thermal gradient during selective laser melting
High thermal gradients during selective laser melting (SLM) can generate residual stresses due to uneven volumetric expansion, which can lead to weak...
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Real-Time Robot Localization Based on 2D Lidar Scan-to-Submap Matching
In this paper, we propose a real-time and low-drift localization method for lidar-equipped robot in indoor environments. State-of-the-art lidar...
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Nondestructive Evaluation of Cryofoam with Uneven Surface by Continuous Wave Terahertz Imaging Using Dynamic Depth Focusing Technique
Cryogenic fluid storage tanks of launch vehicles use polyurethane-based foam with multi-layered coating as an insulation system. Detection of...
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Prediction Model for Edge Effects in Magnetorheological Finishing Based on Edge Tool Influence Function
In the optical manufacturing industry, magnetorheological finishing (MRF) is widely known as a deterministic process because of its subsurface damage...
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A layerwise monitoring methodology based on blue laser line profilometer for Material Extrusion processes
Material Extrusion (MEX) is an Additive Manufacturing technology widely used for the fabrication of polymeric, metallic and composite parts with...
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Non-raster Methods in Scanning Probe Microscopy
Scanning probe microscopy (SPM) refers to a family of technologies for probing systems with nanometer-scale features in which a probe interacts with...
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Evaluating the Effect of Deposition Strategy on Mechanical Characteristics of 316L Parts Produced by Laser Powder Directed Energy Deposition Process
The production of large components, the possibility to repair damaged parts and the ability to produce components of multi-graded or...
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A 300-GHz CMOS 7-by-7 Detector Array for Optics-less THz Imaging with Scan-less Target Object
In this work, a 300-GHz 7 × 7 detector array based on a 65-nm Si CMOS technology has been developed and transmission imaging was performed using the...
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High-Rate Laser Processing of Metals Using High-Average Power Ultrashort Pulse Lasers
High-rate laser processing of technical grade stainless steel by using high-PRF ultrashort pulse lasers is studied in order to gain deeper insight...
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A fast simulation method for thermal management in wire arc additive manufacturing repair of a thin-walled structure
Ensuring first-time-right on-site repair of critical structures is a key challenge for additive manufacturing (AM)–based repair solutions. Fast...
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Design of polygonal mirror-based laser scanning optics for fast & highly precise stereolithographic apparatus
This study designs polygonal mirror-based laser scanning optics for a stereolithographic 3D printer with a fast scanning speed and higher resolution...
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Automatic Edge Detection and Growth Prediction of Pleural Effusion Using Raster Scan Algorithm
Pleural effusion (PE) is the extra fluid with the purpose of accumulating between the two pleural layers and the fluid-stuffed gap so as to surround...
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Mirrorless MEMS imaging: a nonlinear vibrational approach utilizing aerosol-jetted PZT-actuated fiber MEMS scanner for microscale illumination
This study introduces a novel image capture and lighting techniques using a cutting-edge hybrid MEMS scanner system designed for compact microscopic...
