Optical constants of OHARA - PBL (Plumbate, low-index)
PBL6
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.3036685-0.0076028355λ^{2}+0.014811205λ^{-2}+0.00024182527λ^{-4}+4.8392964\text{×}10^{-06}λ^{-6}+8.9395406\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.435e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.531717 Vd: 48.904553 glass_code: 532489 glass_status: preferred density: 2.79 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.3e-06 K-1 - temperature_range: 20 300 °C coefficient: 9e-06 K-1 dPgF: -0.0027 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