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Direct write of photonics using a filament-fed laser-heated process
journal contribution
posted on 2019-08-26, 00:00 authored by Chen Zhu, Doulgas Bristow, Edward Kinzel, Jen Hsien Hsu, Jie Huang, Johnathan Goldstein, Nicholas Capps, Richard Brow, Robert LandersAdditive Manufacturing (AM) of low-profile 2.5D glass structures is demonstrated using a fiber-fed laser-heated process. In this process, glass single mode optical fibers with diameters 90-125 μm are fed into the intersection of a workpiece and CO2 laser beam. The workpiece is positioned by a four-axis CNC stage. Issues unique to the process are discussed, including the thermal breakdown of the glass and index inhomogeneity. Scanning electron microscopy reveals that the core/cladding structure of the fiber remains intact during printing and can be used to guide light for photonic applications.
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2019-08-26Language
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