Optical constants of OHARA - PBL (Plumbate, low-index)
PBL25Y
Wavelength:
µm
(0.31 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.31960626λ^2}{λ^2-0.0101863415}+\frac{0.123752633λ^2}{λ^2-0.0483593508}+\frac{0.210055351λ^2}{λ^2-27.3272029}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 3.78e-07 1.35e-08 -3.9e-11 8.57e-07 7.83e-10 0.228 nd: 1.581439 Vd: 40.768047 glass_code: 581408 density: 3.23 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.7e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.8e-06 K-1 dPgF: -0.0016 climatic_resistance: 1.0 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