Optical constants of OHARA - BSL (Borosilicate, low-index)
BSL1
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.2513548-0.0093148277λ^{2}+0.010704574λ^{-2}+0.00012187894λ^{-4}+1.0654019\text{×}10^{-05}λ^{-6}-7.4428165\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.552e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.510091 Vd: 63.635037 glass_code: 510636 glass_status: preferred density: 2.48 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.4e-06 K-1 dPgF: -0.0001 acid_resistance: 1.0 phosphate_resistance: 1.0
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets