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Optical constants of SUMITA - VC
K-VC90(M)

Wavelength: µm
 (0.330 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.3149515-0.013619007λ^{2}+0.033842693λ^{-2}+0.001108869λ^{-4}-2.8110622\text{×}10^{-05}λ^{-6}+5.1120171\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.39e-07 1.31e-08 -1.78e-10 7.82e-07 9.78e-10 0.232
n_d: 1.84859
V_d: 38.9
glass_code: 853390
density: 4.98 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.4e-06 K-1
ΔP_gF: -0.0057
climatic_resistance: 1.0
acid_resistance: 2.0

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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