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Optical constants of SCHOTT - KzFS (Special short flint)
N-KZFS2

Wavelength: µm
 (0.31 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.23697554λ^2}{λ^2-0.00747170505}+\frac{0.153569376λ^2}{λ^2-0.0308053556}+\frac{0.903976272λ^2}{λ^2-70.1731084}$$

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: 6.77e-06 1.31e-08 -1.23e-11 3.84e-07 5.51e-10 0.196
n_d: 1.55836
V_d: 54.01
glass_code: 558540.255
glass_status: standard
density: 2.54 g/cm3
coefficient_of_thermal_expansion_1: 4.44e-06 K-1
coefficient_of_thermal_expansion_2: 5.4e-06 K-1
ΔP_gF: -0.0111
climatic_resistance: 1.0
stain_resistance: 4.0
acid_resistance: 52.3
alkali_resistance: 4.3
phosphate_resistance: 4.2

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