Optical constants of HIKARI - SF (Dense flint)
J-SF4
Wavelength:
µm
(0.365 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.96384442-0.0122384397λ^{2}+0.0357090539λ^{-2}+0.00272484712λ^{-4}-0.000437315556λ^{-6}+0.000103210102λ^{-8}-1.04209554\text{×}10^{-05}λ^{-10}+5.02488681\text{×}10^{-07}λ^{-12}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.1795e-06 1.0311e-08 -1.2175e-12 1.0018e-06 1.5284e-09 0.28111
n_d: 1.755200
V_d: 27.571110
density: 3.22 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.4e-06 K-1
ΔP_gF: 0.0112
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