Abstract: A new four layer tapered coupler (FLTC) has been studied and tested, able to transfer light efficiently from a monomode fiber to a polymer film guide by means of an auxiliary graded index ...
The rods from Zwilling, Shun, and Idahone aced our tests, resulting in super-sharp blades. The best honing steel is from Zwilling. It honed both stainless steel and carbon steel knives well and was ...