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Optical constants of SCHOTT - PSK (Dense phosphate crown)
N-PSK53A

Wavelength: µm
 (0.32 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.38121836λ^2}{λ^2-0.00706416337}+\frac{0.196745645λ^2}{λ^2-0.0233251345}+\frac{0.886089205λ^2}{λ^2-97.4847345}$$

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: -9.28e-06 7.19e-09 1.45e-12 4.06e-07 3.17e-10 0.19
n_d: 1.618
V_d: 63.39
glass_code: 618634.357
glass_status: standard
density: 3.568 g/cm3
coefficient_of_thermal_expansion_1: 9.56e-06 K-1
coefficient_of_thermal_expansion_2: 1.084e-05 K-1
ΔP_gF: 0.0052
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 53.3
alkali_resistance: 2.3
phosphate_resistance: 4.3

References

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

More info - wiki

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

External links