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Optical constants of CuGaS2 (Copper gallium sulfide)
Boyd et al. 1971: n(e) 0.55-11.5 µm; 120 °C
Wavelength:
µm
(0.55 – 11.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=3.4834+\frac{1.7316λ^2}{λ^2-0.1453}+\frac{1.7785λ^2}{λ^2-738.43}$$Comments
Extrardinary ray (e); 120 °C
References
1) G. D. Boyd, H. Kasper, J. H McFee. Linear and nonlinear optical properties of AgGaS2, CuGaS2, and CuInS2, and theory of the wedge technique for the measurement of nonlinear coefficients, IEEE J. Quant. Electron., 7, 563-573 (1971)
2) G. C. Bhar and G. Ghosh. Temperature-dependent Sellmeier coefficients and coherence lengths for some chalcopyrite crystals, J. Opt. Soc. Am. 69, 730-733 (1979)
*Ref. 2 provides a dispersion formula based on data from Ref. 1