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Optical constants of SF11
N-SF11 (SCHOTT)

Wavelength: µm
 (0.37 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.73759695λ^2}{λ^2-0.013188707}+\frac{0.313747346λ^2}{λ^2-0.0623068142}+\frac{1.89878101λ^2}{λ^2-155.23629}$$

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: -3.56e-06 9.2e-09 -2.1e-11 9.65e-07 1.44e-09 0.294
n_d: 1.78472
V_d: 25.68
glass_code: 785257.322
glass_status: standard
density: 3.224 g/cm3
coefficient_of_thermal_expansion_1: 8.52e-06 K-1
coefficient_of_thermal_expansion_2: 9.85e-06 K-1
ΔP_gF: 0.015
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

SF11 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.

SF11 and similar glasses produced by different makers

Maker Glass
Schott N-SF11
Hikari E-SF11
Sumita K-SFLD11
CDGM ZF13