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Optical constants of SUMITA - PSF
K-PSFn215

Wavelength: µm
 (0.4 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=4.2994108-0.014091413λ^{2}+0.097855062λ^{-2}+0.0076857652λ^{-4}-0.00046786841λ^{-6}+0.00012218724λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.64e-05 4.6e-08 -2.91e-10 3.47e-06 -3e-09 0.301
nd: 2.15400
Vd: 17.2
glass_code: 154172
density: 7.1 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.01e-05 K-1
dPgF: 0.0498
climatic_resistance: 1.0
acid_resistance: 5.0

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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