Just before the deposition with the Er:Al2O3 Lively substance, the coupling circuit, i.e., the strip waveguides, the method transition tapers along with the method converters had been protected having a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~1.45) to avoid their coating While using the active materials, as https://shermanm318agm2.wikiannouncement.com/user