Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH9
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.49709032-0.0138248635λ^{2}-0.000132935974λ^{4}+0.0409278939λ^{-2}+0.000880758278λ^{-4}+8.93285504\text{×}10^{-05}λ^{-6}-6.6176262\text{×}10^{-06}λ^{-8}+6.24399823\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.6752e-06 1.8443e-08 -2.2337e-12 9.0625e-07 8.7173e-10 0.22109
nd: 1.902650
Vd: 35.725382
glass_status: preferred
density: 5.17 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
dPgF: -0.0039
phosphate_resistance: 1.0
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