Refractive index-tunable Mesoporous Films for High Reflectivity Mirrors 100
7 periods 90 80
Reflectivity
70
Titania Mesoporous Film
60 50 40 30 20 10 0 450
Silica Mesoporous Film
500
550
600
650
700
750
Wavelength (nm)
substrate
Reflectivity spectrum of a seven-period dielectric mirror composed of silica and titania mesoporous films as depicted in the schematic on left