Optical constants of SUMITA - BOC
K-BOC30
Wavelength:
µm
(0.360–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.8354813-0.015056123λ^{2}+0.060329996λ^{-2}+0.002453809λ^{-4}+1.7392287\text{×}10^{-05}λ^{-6}+1.7174222\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.71e-06 1.58e-08 -2.57e-10 1.04e-06 1.1e-09 0.282
nd: 2.00680
Vd: 26.2
density: 4.8 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.5e-06 K-1
dPgF: 0.0099
climatic_resistance: 1.0
acid_resistance: 1.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book