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Optical constants of OHARA - PBL (Plumbate, low-index)
PBL26Y
Wavelength:
µm
(0.31 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.29471773λ^2}{λ^2-0.00986579479}+\frac{0.108880981λ^2}{λ^2-0.0477568828}+\frac{0.220322964λ^2}{λ^2-28.8509863}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.24e-06 1.52e-08 -3.95e-11 7.86e-07 7.36e-10 0.228
nd: 1.567322
Vd: 42.855569
glass_code: 567428
density: 3.1 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1e-05 K-1
dPgF: -0.0015
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