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Optical constants of SUMITA - VC
K-VC80(M)

Wavelength: µm
 (0.280–2.000)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.800208-0.012536465λ^{2}+0.019904622λ^{-2}+0.00012816526λ^{-4}+4.6545827\text{×}10^{-05}λ^{-6}-2.8784776\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.72e-06 1.69e-08 -1.41e-10 6.62e-07 9.46e-10 0.149
nd: 1.68983
Vd: 52.9
glass_code: 694531
density: 3.81 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.4e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.4e-06 K-1
dPgF: -0.0062
climatic_resistance: 1.0
acid_resistance: 4.0

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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