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Meeting MS&T23: Materials Science & Technology
Symposium Solid-state Optical Materials and Luminescence Properties
Presentation Title Leveraging Material Microstructure and Linear/Non-linear Absorption for Pulsed Laser Welding of Ceramics
Author(s) Javier Garay
On-Site Speaker (Planned) Javier Garay
Abstract Scope Laser welding can make ceramics integral components in devices for harsh environments as well as in optoelectronic and/or electronic packages needing visible-radio frequency transparency. We will discuss an ultrafast pulsed laser welding approach that relies on focusing light on interfaces to ensure an optical interaction volume in ceramics to stimulate nonlinear absorption processes, causing localized melting rather than ablation. We will begin by comparing laser joining of glasses and ceramics. We will then introduce various methods for controlling the absorption and scattering properties for ceramics because the key to the technique is the interplay between linear and nonlinear optical properties and laser energy–material coupling. Finally, we will discuss results of laser material interaction on various oxide ceramics.


A New Family of Multinary Telluride Nanocrystals for Infrared Applications
Crystallography, Phase Stability and Luminescence Behavior of Eu-doped Ca4-xSrxLaO(BO3)3 Compounds
D-20: Fabrication and Optical Property Characterization of Silver Thin Film Using Magnetron Sputtering Method
Development of Non-cubic Fluorapatite Laser Ceramics
Fabrication and Optical Properties of Transparent Zinc Gallate Spinel Ceramics
Leveraging Material Microstructure and Linear/Non-linear Absorption for Pulsed Laser Welding of Ceramics
Overview of Optical Materials at NRL
Photoluminescent Behaviors of Mixed Metal Thiophosphates XScP2S6 (X=Ag, Cu) Above and Below Bandgap
Processing and Optical Properties of Noncubic RE-doped Ga2O3 Transparent Ceramics
Study of Garnet Scintillating Single Crystal Fiber Grown by Laser Heated Pedestal Growth Method
Study of Surface Effects in Yb3+ Doped Garnet Nanopowders for Understanding Grain Boundary Processes in Laser Ceramics: Fabrication and Spectroscopic Properties
Surface Morphology and Fracturing of Femtosecond Laser-irradiated Calcium Fluoride
Ultrafast Laser-induced Damage and Non-linear Optical Properties of Metal Thiophosphates
Ultraviolet Excitation of Trivalent Europium in Alumina

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