RefractiveIndex.INFO Refractive index database

Shelf

Book

Page

Optical constants of SCHOTT - SF (Dense flint)
SF2

Wavelength: µm
 (0.35 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.40301821λ^2}{λ^2-0.0105795466}+\frac{0.231767504λ^2}{λ^2-0.0493226978}+\frac{0.939056586λ^2}{λ^2-112.405955}$$

Comments

lead containing glass type. step 0.5 available

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: 1.1e-06 1.75e-08 -1.29e-11 1.08e-06 1.03e-09 0.249
n_d: 1.64769
V_d: 33.85
glass_code: 648339.386
glass_status: standard
density: 3.86 g/cm3
coefficient_of_thermal_expansion_1: 8.4e-06 K-1
coefficient_of_thermal_expansion_2: 9.2e-06 K-1
ΔP_gF: 0.0017
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
alkali_resistance: 2.3
phosphate_resistance: 2.0

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