## Optical constants of CdTe (Cadmium telluride)

DeBell et al. 1979: n 6–22 µm; 20 K

Wavelength:
µm

(6–22)

### Complex refractive index (*n+ik)*

n
k
LogX
LogY
eV

### Derived optical constants

### Dispersion formula

$$n^2-1=\frac{6.0599879λ^2}{λ^2-0.1004272}+\frac{3.7564378λ^2}{λ^2-6138.789}$$### Comments

20 K (-253.1 °C)

### References

A. G. DeBell, E. L. Dereniak, J. Harvey, J. Nissley, J. Palmer, A. Selvarajan, and W. L. Wolfe. Cryogenic refractive indices and temperature coefficients of cadmium telluride from 6 µm to 22 µm, *Appl. Opt.* **18**, 3114-3115 (1979)