Optical constants of OHARA - PBM (Plumbate, medium-index)
PBM1
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5743849-0.010002464λ^{2}+0.02166382λ^{-2}+0.0013463294λ^{-4}-8.3887231\text{×}10^{-05}λ^{-6}+7.8154722\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.19e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.625882 Vd: 35.700668 glass_code: 626357 glass_status: preferred density: 3.65 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.9e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.7e-06 K-1 dPgF: 0.0005 acid_resistance: 1.0 phosphate_resistance: 2.0
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets