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Optical constants of SUMITA - PSF
K-PSFn202

Wavelength: µm
 (0.390 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.8508789-0.016529344λ^{2}+0.066096066λ^{-2}+0.0058480521λ^{-4}-0.0005055984λ^{-6}+7.6558669\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.41e-05 2.66e-08 -5.37e-10 2.35e-06 1.36e-09 0.301
n_d: 2.01960
V_d: 21.5
density: 6.22 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.4e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.6e-06 K-1
ΔP_gF: 0.029
climatic_resistance: 1.0
acid_resistance: 4.0

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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