Thermal Modeling of Lasers in Manufacturing Processes
Wed, Jun 22, 2022 2:00 PM - 3:00 PM EDT
Walter Frei shares an overview of laser thermal modeling and presents a demonstration of the software in action. Laser modeling in manufacturing processes commonly views the laser as a spatially or volumetrically distributed heat source that moves and reorients over time. The COMSOL Multiphysics® software provides a computational modeling platform that can easily model such heat sources. In addition to the modeling of heating profiles over time, this software is able to model phase change, ablation, and irreversible transformations. The applications of these different modeling techniques include precision fabrication processes, medical treatments, and additive manufacturing. Presented by COMSOL, Inc.
Wavelength-Selective Optical Filters: Providing More Signal and Less Background to PCR Instruments
Thu, Jul 7, 2022 1:00 PM - 2:00 PM EDT
Engineers creating polymerase chain reaction (PCR) instrumentation face unique challenges in both qualitative detection of nucleic acid sequences, using end-point analysis and quantitative detection of nucleic acid sequences, using real-time analysis. Quantitative PCR (qPCR) instruments that operate in real time require a favorable signal-to-noise ratio, combined with high sensitivity. Jason Palidwar of Iridian Spectral Technologies shares the role photonics and optical filters play in qPCR instruments along with the challenges presented by their specification, design, and manufacture.
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