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Optical constants of SUMITA - PSF
K-PSFn214(M)

Wavelength: µm
 (0.4 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=4.2564848-0.015091057λ^{2}+0.086600358λ^{-2}+0.011001775λ^{-4}-0.0012680564λ^{-6}+0.00017404024λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.6e-05 2.83e-08 -1.6e-10 3.11e-06 2.04e-09 0.316
n_d: 2.13909
V_d: 17.7
glass_code: 144178
density: 7.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.8e-06 K-1
ΔP_gF: 0.0457
climatic_resistance: 1.0
acid_resistance: 3.0

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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