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Optical constants of SCHOTT - SF (Dense flint)
SF11

Wavelength: µm
 (0.39 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.73848403λ^2}{λ^2-0.0136068604}+\frac{0.311168974λ^2}{λ^2-0.0615960463}+\frac{1.17490871λ^2}{λ^2-121.922711}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.12e-05 1.81e-08 -5.03e-11 1.46e-06 1.58e-09 0.282
n_d: 1.78472
V_d: 25.76
glass_code: 785258.474
glass_status: standard
density: 4.74 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 6.8e-06 K-1
ΔP_gF: 0.0142
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0

Comments

lead containing

References

SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

SF11 optical glass

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

SCHOTT AG

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


Glass

External links