Optical constants of OHARA - PBL (Plumbate, low-index)
PBL27
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.4269332-0.0089789895λ^{2}+0.017578385λ^{-2}+0.00079125417λ^{-4}-4.3016897\text{×}10^{-05}λ^{-6}+4.2474552\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.819e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.575006 Vd: 41.491052 glass_code: 575415 glass_status: preferred density: 3.2 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 9e-06 K-1 dPgF: -0.0015 acid_resistance: 1.0 phosphate_resistance: 1.0
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets