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

Wavelength: µm
 (0.365 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.55370411λ^2}{λ^2-0.011658267}+\frac{0.206332561λ^2}{λ^2-0.0582087757}+\frac{1.39708831λ^2}{λ^2-130.748028}$$

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: -4.27e-06 8.16e-09 -2e-11 9.02e-07 1.22e-09 0.272
n_d: 1.68893
V_d: 31.25
glass_code: 689313.290
glass_status: standard
density: 2.898 g/cm3
coefficient_of_thermal_expansion_1: 9.41e-06 K-1
coefficient_of_thermal_expansion_2: 1.11e-05 K-1
ΔP_gF: 0.0079
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.

External links