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Optical constants of HIKARI - PSK (Dense phosphate crown)
J-PSKH4

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.50453078-0.0101597822λ^{2}-0.000108653142λ^{4}+0.0127723327λ^{-2}+0.000133860625λ^{-4}+3.37285381\text{×}10^{-06}λ^{-6}-2.56491019\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -7.36054e-06 6.44191e-09 1.23774e-12 4.12817e-07 4.3337e-10 0.173521
nd: 1.593490
Vd: 67.001281
density: 3.28 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
dPgF: 0.0038
phosphate_resistance: 4.0

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

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

INFO

Hikari Glass Co., Ltd.

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

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