Optical constants of SF5
J-SF5 (HIKARI)
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.71072072-0.0102160186λ^{2}-9.06763794\text{×}10^{-05}λ^{4}+0.0288337808λ^{-2}+0.000557561753λ^{-4}+0.000133564048λ^{-6}-1.34358407\text{×}10^{-05}λ^{-8}+1.19202152\text{×}10^{-06}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.766e-06 8.9538e-09 -1.4265e-12 8.5854e-07 1.2783e-09 0.27473
nd: 1.672700
Vd: 32.185454
density: 2.9 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
dPgF: 0.0069
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
SF5 optical glass
SF5 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.SF5 and similar glasses produced by different makers
| Maker | Glass |
|---|---|
| Schott | N-SF5 |
| Hikari | E-SF5 |
| HOYA | E-FD5 |
| Sumita | K-SFLD5 |
| CDGM | ZF2 |