Optical constants of SCHOTT - K (Crown)
N-K5
Wavelength:
µm
(0.31–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.08511833λ^2}{λ^2-0.00661099503}+\frac{0.199562005λ^2}{λ^2-0.024110866}+\frac{0.930511663λ^2}{λ^2-111.982777}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.13e-07 1.03e-08 -3.4e-11 4.73e-07 5.19e-10 0.213
nd: 1.52249
Vd: 59.48
glass_code: 522595.259
glass_status: standard
density: 2.59 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.6e-06 K-1
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