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Optical constants of SCHOTT - PSK (Dense phosphate crown)
N-PSK3

Wavelength: µm
 (0.3 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.88727211λ^2}{λ^2-0.00469824067}+\frac{0.489592425λ^2}{λ^2-0.0161818463}+\frac{1.04865296λ^2}{λ^2-104.374975}$$

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: 2.03e-06 1.19e-08 2.46e-11 3.14e-07 2.45e-10 0.235
n_d: 1.55232
V_d: 63.46
glass_code: 552635.291
glass_status: standard
density: 2.91 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
coefficient_of_thermal_expansion_2: 7.3e-06 K-1
ΔP_gF: -0.0005
climatic_resistance: 3.0
stain_resistance: 0.0
acid_resistance: 2.2
alkali_resistance: 2.0
phosphate_resistance: 2.0

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.

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