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Optical constants of SUMITA - PSF
K-PSFn2(M)

Wavelength: µm
 (0.380 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.7527514-0.013079452λ^{2}+0.07043447λ^{-2}+0.0041015753λ^{-4}-0.00012706916λ^{-6}+4.6413732\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 8.11e-06 2.15e-08 -1.06e-10 2.16e-06 2.01e-09 0.291
nd: 1.99670
Vd: 20.6
density: 5.48 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.2e-06 K-1
dPgF: 0.0255
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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