Optical constants of BARBERINI - Photochromic
D1426: Photosolar Supergrey; D1526: Photosolar B Supergrey
Wavelength:
µm
(0.43583–0.65627)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Comments
20 °C
Photochromic Glass; Colour: grey; Application: Glass sensitive to light for corrective lenses and sun glare filter; luminous transmittance range 91% (τ0) / 25% (τ1) or filter categories 0 / 2 respectively and UV-absorption
References
Barberini D1426/D1526 glass specifications, 2010-03