Optical Damage Considerations in the Design of the Matter in ExtremeCondition Upgrade (MEC-U) Laser Systems
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Engineering - Particle accelerators , Materials sc↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Broadband, 920-nm Mirror Thin Film Damage Competition
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Materials science, Lasers, Optics and optical inst↗
Methods for ultraviolet excitation microscopy of biological surfaces
Microscopy with Ultraviolet Surface Excitation (MUSE) for use in the classroom to enhance life sciences education and curricula, or for other applications, including without limtiation the operating room, other medical environments, research environments, and low resource environments. MUSE's suitability is based on multiple key factors including its simplicity of use, the incorporation of inexpensive hardware including LED illumination, and very basic tissue preparation. The ultraviolet excitation acts as passive optical sectioning confining the generated fluorescence signal to only a few micrometers below the tissue surface thus eliminating the out of focus signals. This facilitates image capture of tissue microstructure and organization from specimens at the intact or sliced surface arising from varying fluorophore concentration within the different cellular compartments. Although just the tissue auto fluorescence maybe used, image quality is enhanced with brief application of nontoxic fluorescent dyes to selectively highlight cellular compartments. Sample preparation is safe, efficient and familiar to students with basic chemistry or biology lab experience. Mixed-dye powders may be used to simplify translation of this method for educational, medical, research, low resource, and other settings.
Demos, Stavros G.↗
Laser-assisted additive manufacturing
Laser additive manufacturing apparatus, systems, and methods for the fabrication of high quality freeform high value structures. The apparatus, systems, and methods utilize a material powder having varying particle size and shape as raw material. It can also be adopted to use a wire as the feed material.
Demos, Stavros G.↗