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Optical constants of SCHOTT - SK (Dense crown)
N-SK16

Wavelength: µm
 (0.31 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.34317774λ^2}{λ^2-0.00704687339}+\frac{0.241144399λ^2}{λ^2-0.0229005}+\frac{0.994317969λ^2}{λ^2-92.7508526}$$

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: -2.37e-08 1.32e-08 -1.29e-11 4.09e-07 5.17e-10 0.17
n_d: 1.62041
V_d: 60.32
glass_code: 620603.358
glass_status: standard
density: 3.58 g/cm3
coefficient_of_thermal_expansion_1: 6.3e-06 K-1
coefficient_of_thermal_expansion_2: 7.3e-06 K-1
ΔP_gF: -0.0011
climatic_resistance: 4.0
stain_resistance: 4.0
acid_resistance: 53.3
alkali_resistance: 3.3
phosphate_resistance: 3.2

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.

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