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Optical constants of SUMITA - VC
K-VC185(M)

Wavelength: µm
 (0.320 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.3218568-0.014962898λ^{2}+0.032206874λ^{-2}+0.0011931823λ^{-4}-5.072415\text{×}10^{-05}λ^{-6}+5.1953408\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.01e-06 1.77e-08 -2.37e-10 7.39e-07 1.02e-09 0.227
n_d: 1.84909
V_d: 40.5
glass_code: 854406
density: 5.0 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7e-06 K-1
ΔP_gF: -0.009
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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