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Optical constants of SCHOTT - SK (Dense crown)
N-SK11

Wavelength: µm
 (0.3 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.17963631λ^2}{λ^2-0.00680282081}+\frac{0.229817295λ^2}{λ^2-0.0219737205}+\frac{0.935789652λ^2}{λ^2-101.513232}$$

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: 2.14e-06 1.27e-08 -7.21e-11 3.51e-07 5.41e-10 0.238
n_d: 1.56384
V_d: 60.8
glass_code: 564608.308
glass_status: standard
density: 3.08 g/cm3
coefficient_of_thermal_expansion_1: 6.5e-06 K-1
coefficient_of_thermal_expansion_2: 7.6e-06 K-1
ΔP_gF: -0.0004
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 2.0
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.

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