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Optical constants of SCHOTT - KzFS (Special short flint)
N-KZFS8

Wavelength: µm
 (0.334 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.62693651λ^2}{λ^2-0.010880863}+\frac{0.24369876λ^2}{λ^2-0.0494207753}+\frac{1.62007141λ^2}{λ^2-131.009163}$$

Comments

suitable for precision molding. step 0.5 available

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 7.93e-07 6.47e-09 -5e-12 7.71e-07 1.01e-09 0.254
n_d: 1.72047
V_d: 34.7
glass_code: 720347.320
glass_status: standard
density: 3.204 g/cm3
coefficient_of_thermal_expansion_1: 7.77e-06 K-1
coefficient_of_thermal_expansion_2: 9.43e-06 K-1
ΔP_gF: -0.0021
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0

References

1) SCHOTT optical glass data sheets 2015-07-22
2) SCHOTT Zemax catalog 2015-07-22

More info - wiki

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

External links