Optical constants of HIKARI - SF (Dense flint)
SF11
Wavelength:
µm
(0.380 – 0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.127487-0.0637466λ^{2}-0.0009890957λ^{-2}+0.01363913λ^{-4}-0.001588824λ^{-6}+9.646333\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.784721
Vd: 25.833679
glass_code: 785258
glass_status: preferred
density: 4.81 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.4e-06 K-1
dPgF: 0.0105
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
SF11 optical glass
SF11 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.SF11 and similar glasses produced by different makers
| Maker | Glass |
|---|---|
| Schott | N-SF11 |
| Hikari | E-SF11 |
| Sumita | K-SFLD11 |
| CDGM | ZF13 |
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