Optical constants of SUMITA - PG
K-PG395(M)
Wavelength:
µm
(0.340–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.6598043-0.0097241142λ^{2}+0.023341531λ^{-2}+0.0010595162λ^{-4}-4.9515252\text{×}10^{-05}λ^{-6}+7.5464331\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.15e-05 1.65e-09 -6.23e-11 1.13e-06 1.19e-09 0.255
nd: 1.65296
Vd: 36.8
glass_code: 658369
density: 3.5 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 1.24e-05 K-1
- temperature_range: 20 300 ℃
coefficient: 1.59e-05 K-1
dPgF: 0.0057
climatic_resistance: 1.0
acid_resistance: 3.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book