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Journals and Conferences
A low-temperature chemical cleaning approach has been developed to improve the performance of multilayer dielectric pulse-compressor gratings for use in the OMEGA EP laser system. X-ray photoelectron spectroscopy results guided the selection of targeted cleaning steps to strip specific families of manufacturing residues without damaging the grating's… (More)
Plasma-assisted electron-beam evaporation leads to changes in the crystallinity, density, and stresses of thin films. A dual-source plasma system provides stress control of large-aperture, high-fluence coatings used in vacuum for substrates 1m in aperture.
Liquid crystal polarizers and waveplates are an enabling technology for large fusion lasers. While damage and replacement rates of liquid crystal optics remain remarkably low, degradation in polarizer performance has been noted and studied.
Large-aperture deposition of high-laser-damage-threshold, low-dispersion optical coatings for 15 femtosecond pulses have been developed using plasma-ion-assisted electron-beam evaporation. Coatings are demonstrated over 10 in. aperture substrates.
A task force approach to resolving radiology problems has been used successfully at Hartford Hospital. The involvement of nursing, medical staff, and other ancillary personnel has resulted in the solution of issues common to all hospitals and imaging departments, including problems in patient scheduling, transportation, monitoring, and preparation. Sharing… (More)