Optical constants of SCHOTT - PK (Phosphate crown)
P-PK53
Wavelength:
µm
(0.32–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.960316767λ^2}{λ^2-0.00531032986}+\frac{0.340437227λ^2}{λ^2-0.0175073434}+\frac{0.777865595λ^2}{λ^2-106.87533}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.65e-05 -5.14e-10 -2.02e-11 4.11e-07 4.17e-10 0.208
nd: 1.5269
Vd: 66.22
glass_code: 527662.283
glass_status: special
density: 2.827 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.331e-05 K-1
- temperature_range: 20 300 °C
coefficient: 1.597e-05 K-1
dPgF: 0.0084
climatic_resistance: 2.0
stain_resistance: 1.0
acid_resistance: 51.0
alkali_resistance: 4.3
phosphate_resistance: 4.3
Comments
inquiry glass. suitable for precision molding
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets