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The "County" Retroreflective Raised Pavement Marker ("County Marker")
The invention, known as the County Marker, is an innovative variation on the retroreflective raised pavement marker (RRPM). The unique design features two yellow retroreflectors that produce a double yellow signal when viewed at night. The design can serve as a no passing zone line.
Background:
Standard RRPMs are currently on the outside of the double...
Published: 8/1/2024
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Inventor(s): Seth Chalmers, Garrett Anderson, Dean Papajohn, Vincent Morello, Lindsey Willman, Lauren Fecteau
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive > Safety Systems/Driver Enhancements
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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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