Optical constants of SCHOTT - PSK (Dense phosphate crown)
N-PSK3
Wavelength:
µm
(0.3–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.88727211λ^2}{λ^2-0.00469824067}+\frac{0.489592425λ^2}{λ^2-0.0161818463}+\frac{1.04865296λ^2}{λ^2-104.374975}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.03e-06 1.19e-08 2.46e-11 3.14e-07 2.45e-10 0.235
nd: 1.55232
Vd: 63.46
glass_code: 552635.291
glass_status: standard
density: 2.91 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.3e-06 K-1
dPgF: -0.0005
climatic_resistance: 3.0
stain_resistance: 0.0
acid_resistance: 2.2
alkali_resistance: 2.0
phosphate_resistance: 2.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets