RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of SUMITA - PG
K-PG325

Wavelength: µm
 (0.280 – 2.000)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.2433502-0.0070443238λ^{2}+0.0095932746λ^{-2}+0.00019364616λ^{-4}-9.8585539\text{×}10^{-06}λ^{-6}+6.1088785\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.86e-05 -3.2e-09 -2.53e-11 4.98e-07 8.02e-10 0.172
nd: 1.50670
Vd: 70.5
glass_code: 507705
density: 3.0 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.43e-05 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.65e-05 K-1
dPgF: 0.0124
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

External links


Glass

External links