Abstract: A novel nanoparticle suspension doping approach to fabricating erbium doped aluminosilicate fiber is presented. This method, utilizing erbium-alkaline earth fluoride precursor nanoparticles, ...
WASHINGTON — The US economy, hobbled by last fall’s 43-day government shutdown, advanced at an unexpectedly sluggish 0.7 percent annual rate from October through December, the Commerce Department ...