Optical constants of OHARA - PBM (Plumbate, medium-index)
PBM18Y
Wavelength:
µm
(0.32–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.34660215λ^2}{λ^2-0.0106313733}+\frac{0.136322343λ^2}{λ^2-0.0491403013}+\frac{0.183371587λ^2}{λ^2-23.9154655}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.72e-06 1.37e-08 -4.2e-11 9e-07 7.36e-10 0.236 nd: 1.595509 Vd: 38.767114 glass_code: 596387 density: 3.37 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.8e-06 K-1 - temperature_range: 20 300 °C coefficient: 1e-05 K-1 dPgF: -0.0018 climatic_resistance: 2.0 acid_resistance: 1.0 phosphate_resistance: 2.0
Comments
Improved XMT at 365
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets