Direct write of photonics using a filament-fed laser-heated process

Jason E. Johnson; Nicholas Capps; Chen Zhu; Jen Hsien Hsu; Jonathan Goldstein; Richard Brow; Jie Huang; Douglas Bristow; Robert Landers; Edward Kinzel

doi:10.1117/12.2510345

4 March 2019 Direct write of photonics using a filament-fed laser-heated process

Jason E. Johnson, Nicholas Capps, Chen Zhu, Jen Hsien Hsu, Jonathan Goldstein, Richard Brow, Jie Huang, Douglas Bristow, Robert Landers, Edward Kinzel

Author Affiliations +

Proceedings Volume 10909, Laser 3D Manufacturing VI; 109090Q (2019) https://doi.org/10.1117/12.2510345
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Additive 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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Citation Download Citation

Jason E. Johnson, Nicholas Capps, Chen Zhu, Jen Hsien Hsu, Jonathan Goldstein, Richard Brow, Jie Huang, Douglas Bristow, Robert Landers, and Edward Kinzel "Direct write of photonics using a filament-fed laser-heated process", Proc. SPIE 10909, Laser 3D Manufacturing VI, 109090Q (4 March 2019); https://doi.org/10.1117/12.2510345

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