Optical constants of SCHOTT - SF (Dense flint)
N-SF4
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.67780282λ^2}{λ^2-0.012679345}+\frac{0.282849893λ^2}{λ^2-0.0602038419}+\frac{1.63539276λ^2}{λ^2-145.760496}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -4.88e-06 6.57e-09 -2.72e-11 9.67e-07 1.48e-09 0.282 nd: 1.75513 Vd: 27.38 glass_code: 755274.315 glass_status: standard density: 3.145 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 9.45e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.087e-05 K-1 dPgF: 0.0118 climatic_resistance: 1.0 stain_resistance: 0.0 acid_resistance: 1.3 alkali_resistance: 1.0 phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets
Data
INFO
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 |