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Optical constants of SCHOTT - BK (Borosilicate crown)
N-BK10

Wavelength: µm
 (0.29 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.888308131λ^2}{λ^2-0.00516900822}+\frac{0.328964475λ^2}{λ^2-0.0161190045}+\frac{0.984610769λ^2}{λ^2-99.7575331}$$

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: 3.32e-06 1.72e-08 -2.05e-11 3.57e-07 3.9e-10 0.169
n_d: 1.49782
V_d: 66.95
glass_code: 498670.239
glass_status: standard
density: 2.39 g/cm3
coefficient_of_thermal_expansion_1: 5.8e-06 K-1
coefficient_of_thermal_expansion_2: 6.6e-06 K-1
ΔP_gF: -0.0008
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

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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