| http://www.w3.org/ns/prov#value | - Preferably, the respective thicknesses of the low-refraction layers and the semiconductor layers constituting the reflection multilayer are adjusted to about (2N+1)??/4n (where n is the refractive index of a medium, ?? is a wavelength, and N is an integer) each so that the reflectivity of the reflector is high enough.
|
