Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM14
Wavelength:
µm
(0.360–0.9)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.53088-0.01045574λ^{2}+0.01393304λ^{-2}+0.0003172572λ^{-4}-1.649761\text{×}10^{-05}λ^{-6}+1.121198\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.755e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.603112
Vd: 60.704896
glass_code: 603607
glass_status: preferred
density: 3.44 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.2e-06 K-1
dPgF: -0.0024
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets