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Optical constants of SF5
N-SF5 (SCHOTT)

Wavelength: µm
 (0.37 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.52481889λ^2}{λ^2-0.011254756}+\frac{0.187085527λ^2}{λ^2-0.0588995392}+\frac{1.42729015λ^2}{λ^2-129.141675}$$

Comments

step 0.5 available

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -2.51e-07 1.07e-08 -2.4e-11 7.85e-07 1.15e-09 0.278
n_d: 1.67271
V_d: 32.25
glass_code: 673323.286
glass_status: standard
density: 2.858 g/cm3
coefficient_of_thermal_expansion_1: 7.94e-06 K-1
coefficient_of_thermal_expansion_2: 9.21e-06 K-1
ΔP_gF: 0.0088
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0

References

1) SCHOTT optical glass data sheets 2015-07-22
2) SCHOTT Zemax catalog 2015-07-22

More info - wiki

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