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Optical constants of SCHOTT - SF (Dense flint)
N-SF2

Wavelength: µm
 (0.365 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.47343127λ^2}{λ^2-0.0109019098}+\frac{0.163681849λ^2}{λ^2-0.0585683687}+\frac{1.36920899λ^2}{λ^2-127.404933}$$

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: 3.1e-06 1.75e-08 6.62e-11 7.51e-07 8.99e-10 0.277
n_d: 1.64769
V_d: 33.82
glass_code: 648338.272
glass_status: standard
density: 2.718 g/cm3
coefficient_of_thermal_expansion_1: 6.68e-06 K-1
coefficient_of_thermal_expansion_2: 7.81e-06 K-1
ΔP_gF: 0.0081
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0

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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