Prior to the deposition of the Er:Al2O3 Lively materials, the coupling circuit, i.e., the strip waveguides, the method transition tapers and also the mode converters were covered with a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~one.forty five) to forestall their coating While using the Lively product, as https://tinax097cnx7.p2blogs.com/profile