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Optical constants of SUMITA - VC
K-VC181

Wavelength: µm
 (0.340 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1886895-0.013820455λ^{2}+0.029631617λ^{-2}+0.0010659501λ^{-4}-3.7795055\text{×}10^{-05}λ^{-6}+4.3966629\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 6.99e-06 2.24e-08 -2.94e-10 8.37e-07 3.41e-10 0.213
nd: 1.81055
Vd: 41.1
glass_code: 811411
density: 4.71 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.9e-06 K-1
dPgF: -0.006
climatic_resistance: 1.0
acid_resistance: 3.0

References

SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book

Data

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

INFO

SUMITA Optical Glass, Inc.

SUMITA Optical Glass, Inc. is a Japanese glass manufacturer

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