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Optical constants of SUMITA - PSF
K-PSFn4

Wavelength: µm
 (0.360 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.2452002-0.011397767λ^{2}+0.048209487λ^{-2}+0.0022384274λ^{-4}-2.8034687\text{×}10^{-05}λ^{-6}+1.8880187\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.02e-06 2.01e-08 -1.33e-10 1.73e-06 1.55e-09 0.277
nd: 1.84400
Vd: 24.8
glass_code: 844248
density: 4.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.03e-05 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.22e-05 K-1
dPgF: 0.0136
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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