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Spark Plasma Joining of Ultra-High Temperature Ceramics without the Use of Filler Materials
This invention’s approach to solving this problem uses direct current heating to rapidly join two conductive ceramics with seamless joint microstructures. Conventional ceramic joining methods include brazing, transient liquid phase bonding, or mechanical fasteners. Although these methods are widely used and are reliable for most applications,...
Published: 8/1/2024
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Inventor(s): Erica Corral, William Pinc, Luke Walker, Zachary Wing
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Materials, Technology Classifications > Materials > Ceramics, Technology Classifications > Materials > Processing
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Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers
Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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All-Fiber Multicore Fiber Laser Devices
Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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