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Optical constants of SCHOTT - SK (Dense crown)
N-SK2

Wavelength: µm
 (0.31 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.28189012λ^2}{λ^2-0.0072719164}+\frac{0.257738258λ^2}{λ^2-0.0242823527}+\frac{0.96818604λ^2}{λ^2-110.377773}$$

Comments

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: 3.8e-06 1.41e-08 2.28e-11 6.44e-07 8.03e-11 0.108
n_d: 1.60738
V_d: 56.65
glass_code: 607567.355
glass_status: standard
density: 3.55 g/cm3
coefficient_of_thermal_expansion_1: 6e-06 K-1
coefficient_of_thermal_expansion_2: 7.1e-06 K-1
ΔP_gF: -0.0008
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 2.2
alkali_resistance: 1.0
phosphate_resistance: 2.3

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