Optical constants of HIKARI - LaF (Lanthanum flint)
Q-LAFPH1S
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.97184328-0.0126569714λ^{2}-0.000162723834λ^{4}+0.0232616036λ^{-2}+0.000403316269λ^{-4}+6.85871554\text{×}10^{-06}λ^{-6}+3.74016912\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 9.030377e-06 1.284114e-08 3.060448e-12 7.261363e-07 6.956703e-10 0.1861246
nd: 1.743104
Vd: 49.436916
density: 4.25 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.2e-06 K-1
dPgF: -0.0084
phosphate_resistance: 4.0
Comments
For mold lens
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
Hikari Glass Co., Ltd.
Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.External links
- Hikari Glass Co., Ltd. (in Japanese)
- Nikon