Optical constants of BARBERINI - Photochromic
D6526: Photosolar Superbrown D6626: Photosolar B Superbrown
Wavelength:
µm
(0.43583–0.65627)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Comments
20 ℃
Photochromic Glass; Colour: brown; Application: Glass sensitive to light for corrective lenses and sun glare filter; luminous transmittance range 89% (τ0) / 27% (τ1) or filter categories 0 / 2 respectively and UV-absorption
References
Barberini D6526/D6626 glass specifications, 2010-11