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Optical constants of SCHOTT - SF (Dense flint)
P-SF68

Wavelength: µm
 (0.42 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{2.3330067λ^2}{λ^2-0.0168838419}+\frac{0.452961396λ^2}{λ^2-0.0716086325}+\frac{1.25172339λ^2}{λ^2-118.707479}$$

Comments

suitable for precision molding

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: 1.55e-05 2.3e-08 -3.46e-11 2.76e-06 2.93e-09 0.297
n_d: 2.0052
V_d: 21
glass_status: standard
density: 6.194 g/cm3
coefficient_of_thermal_expansion_1: 8.43e-06 K-1
coefficient_of_thermal_expansion_2: 9.67e-06 K-1
ΔP_gF: 0.0308
climatic_resistance: 1.0
stain_resistance: 5.0
acid_resistance: 53.3
alkali_resistance: 2.3
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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