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Optical constants of SCHOTT - SK (Dense crown)
N-SK5

Wavelength: µm
 (0.3 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.991463823λ^2}{λ^2-0.00522730467}+\frac{0.495982121λ^2}{λ^2-0.0172733646}+\frac{0.987393925λ^2}{λ^2-98.3594579}$$

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: 3.5e-06 1.22e-08 6.38e-11 2.46e-07 -3.34e-11 0.278
n_d: 1.58913
V_d: 61.27
glass_code: 589613.330
glass_status: standard
density: 3.3 g/cm3
coefficient_of_thermal_expansion_1: 5.5e-06 K-1
coefficient_of_thermal_expansion_2: 6.5e-06 K-1
ΔP_gF: -0.0007
climatic_resistance: 3.0
stain_resistance: 1.0
acid_resistance: 4.4
alkali_resistance: 2.0
phosphate_resistance: 1.3

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.

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