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Optical constants of SCHOTT - SF (Dense flint)
N-SF8

Wavelength: µm
 (0.37 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.55075812λ^2}{λ^2-0.0114338344}+\frac{0.209816918λ^2}{λ^2-0.0582725652}+\frac{1.46205491λ^2}{λ^2-133.24165}$$

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: -1.94e-06 9.7e-09 -2.34e-11 8.32e-07 1.15e-09 0.276
n_d: 1.68894
V_d: 31.31
glass_code: 689313.290
glass_status: standard
density: 2.904 g/cm3
coefficient_of_thermal_expansion_1: 8.56e-06 K-1
coefficient_of_thermal_expansion_2: 9.92e-06 K-1
ΔP_gF: 0.0087
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
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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