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Optical constants of SCHOTT - Obsolete glasses
KZFSN4

Wavelength: µm
 (0.31 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.37994218λ^2}{λ^2-0.00891159699}+\frac{0.168496708λ^2}{λ^2-0.040533407}+\frac{0.874885726λ^2}{λ^2-69.6628237}$$

Comments

was replaced by N-KZFS4

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: 6.01e-06 1.3e-08 -7.94e-11 4.05e-07 7.23e-10 0.272
n_d: 1.6134
V_d: 44.29
glass_code: 613443.320
glass_status: preferred
density: 3.2 g/cm3
coefficient_of_thermal_expansion_1: 4.5e-06 K-1
coefficient_of_thermal_expansion_2: 5.5e-06 K-1
ΔP_gF: -0.0086
climatic_resistance: 3.0
stain_resistance: 2.0
acid_resistance: 52.3
alkali_resistance: 4.3
phosphate_resistance: 4.3

References

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.

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