Optical constants of OHARA - BSM (Borosilicate, medium-index)
S-BSM14
Wavelength:
µm
(0.31–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.2828627λ^2}{λ^2-0.0122902399}+\frac{0.247647429λ^2}{λ^2+0.00613142361}+\frac{1.10383999λ^2}{λ^2-106.883378}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 2.13e-06 1.22e-08 -3.98e-11 3.47e-07 7.94e-10 0.23 nd: 1.603112 Vd: 60.641080 glass_code: 603607 density: 3.43 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 6.2e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 7.3e-06 K-1 dPgF: -0.0019 climatic_resistance: 3.0 acid_resistance: 51.2 phosphate_resistance: 2.2
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets