Optical constants of OHARA - BSM (Borosilicate, medium-index)
BSM51Y
Wavelength:
µm
(0.29–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.22393171λ^2}{λ^2-0.00649521083}+\frac{0.306482383λ^2}{λ^2-0.0208194161}+\frac{0.823950901λ^2}{λ^2-79.5168951}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.03e-06 1.19e-08 -4.08e-11 4.45e-07 5.05e-10 0.166 nd: 1.603109 Vd: 60.651225 glass_code: 603606 density: 3.36 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.3e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.7e-06 K-1 dPgF: -0.0026 climatic_resistance: 3.0 acid_resistance: 51.2 phosphate_resistance: 2.2
Comments
Improved XMT at 365
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets