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Optical constants of SUMITA - PG
K-PG375

Wavelength: µm
 (0.300 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.345943-0.0077317211λ^{2}+0.011783664λ^{-2}+0.00025239185λ^{-4}-1.2352344\text{×}10^{-05}λ^{-6}+8.7540057\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.51e-05 1.45e-09 -9.02e-11 5.44e-07 3.99e-10 0.176
nd: 1.54250
Vd: 62.9
glass_code: 543629
density: 2.9 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.29e-05 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.6e-05 K-1
dPgF: 0.0036
climatic_resistance: 2.0
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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