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Optical constants of SCHOTT - BK (Borosilicate crown)
N-BK10
Wavelength:
µm
(0.29 – 2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.888308131λ^2}{λ^2-0.00516900822}+\frac{0.328964475λ^2}{λ^2-0.0161190045}+\frac{0.984610769λ^2}{λ^2-99.7575331}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.32e-06 1.72e-08 -2.05e-11 3.57e-07 3.9e-10 0.169
nd: 1.49782
Vd: 66.95
glass_code: 498670.239
glass_status: standard
density: 2.39 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 6.6e-06 K-1
dPgF: -0.0008
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets