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Optical constants of KNbO3 (Potassium niobate)
Umemura et al. 1999: n(β) 0.40-5.3 µm

Wavelength: µm
 (0.4 – 5.3)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2=4.8353+\frac{0.12808}{λ^2-0.05674}-0.02528λ^{2}+1.8590\text{×}10^{-6}λ^{4}-1.0689\text{×}10^{-6}λ^{6}$$

Comments

nβ; 22 °C.

Data

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

References

N. Umemura, K. Yoshida, and K. Kato. Phase-matching properties of KNbO3 in the mid-infrared, Appl Opt. 38, 991-994 (1999)

More info - wiki

Potassium niobate, KNbO3