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Optical constants of SUMITA - CD
K-CD45

Wavelength: µm
 (0.340 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.780768-0.011432782λ^{2}+0.02823867λ^{-2}+0.0009260712λ^{-4}+5.9615098\text{×}10^{-06}λ^{-6}+5.5996227\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.77e-06 1.49e-08 -1.38e-10 7.8e-07 7.44e-10 0.271
nd: 1.69320
Vd: 33.7
glass_code: 693337
density: 3.13 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.21e-05 K-1
dPgF: 0.0055
climatic_resistance: 1.0
acid_resistance: 1.0

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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