RefractiveIndex.INFO

Refractive index database


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Optical constants of SF11
ZF13 (CDGM)

Wavelength: µm
 (0.370 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=3.06161235-0.0145895142λ^{2}+0.0328146593λ^{-2}+0.00523989954λ^{-4}-0.000560505494λ^{-6}+4.64234125\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.7e-06 2.35e-08 -1.53e-10 1.59e-06 6.42e-10 0.278
nd: 1.784724
Vd: 25.754051
glass_code: 785258
density: 4.87 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.6e-06 K-1
dPgF: 0.008
climatic_resistance: 1.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

Data

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

INFO

CDGM Glass Co., Ltd.

CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.

External links


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

Glass

External links