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Optical constants of OHARA - PBM (Plumbate, medium-index)
PBM8
Wavelength:
µm
(0.3 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.4842899-0.0082629825λ^{2}+0.020412922λ^{-2}+0.00059654654λ^{-4}-4.9991757\text{×}10^{-06}λ^{-6}+2.8060192\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.609e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.595508
Vd: 39.213424
glass_code: 596392
glass_status: preferred
density: 3.36 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.6e-06 K-1
dPgF: -0.0009
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