Previous to the deposition from the Er:Al2O3 Lively materials, the coupling circuit, i.e., the strip waveguides, the manner transition tapers as well as manner converters had been protected using a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~1.forty five) to stop their coating With all the Energetic materials, https://carlosg665euj3.dm-blog.com/profile