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Optical constants of OHARA - PBH (Plumbate, high-index)
PBH3W

Wavelength: µm
 (0.3–2.4)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.9157717-0.0100817λ^{2}+0.03409894λ^{-2}+0.0021965014λ^{-4}-0.00012386955λ^{-6}+1.5766843\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.163e-05 0.0 0.0 0.0 0.0 0.0
nd: 1.739998
Vd: 28.287409
glass_code: 740283
glass_status: preferred
density: 4.66 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.2e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.2e-06 K-1
dPgF: 0.006
acid_resistance: 3.2
phosphate_resistance: 3.0

Comments

Improved Transmittance

References

OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Ohara Group

Ohara Group is an international group of companies with headquarters in Japan and subsidiaries in Japan (Ohara, Inc.), United States (Ohara Corporation), and Germany (Ohara, GmbH). Ohara manufactures optical and electronic products and also offers measurement services, in particular measurement of refractive indices of solids and liquids.

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