Figure 4
From: Thermally stable amorphous tantalum yttrium oxide with low IR absorption for magnetophotonic devices
Microcavity structure. (a) Cross-sectional compositional image of a fabricated microcavity consisting of silica substrate/[(aTYO/SiO2)8]/CeYIG/[(SiO2/aTYO)8]. (b) Refractive index profile through the microcavity and intensity of the electric field calculated by the matrix approach. TEM images of (c) aTYO used in the top BM, (d) CeYIG used in the microcavity composed of aTYO, and (e) aTYO used in the bottom BM. TEM images of (f) Ta2O5 used in the top BM, (g) CeYIG used in the microcavity composed of Ta2O5, and (h) Ta2O5 used in the bottom BM.
