Optical constants of BARBERINI - Photochromic
D6726: Photosolar Super; D6826: Photosolar B Super
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-brown; Application: Glass sensitive to light for corrective lenses and sun glare filter; luminous transmittance range 89% (τ0) / 26% (τ1) or filter categories 0 / 2 respectively and UV-absorption
References
Barberini D6726/D6826 glass specifications, 2010-11