The principal lattice frequency has been obtained at 25.26μ from the observed dispersion in the region 0.36-5μ. This frequency and the frequencies of the longitudinal and transverse modes of vibration of (1,0,0) and (1,1,1) planes against each other have been calculated on the Born model. Reflection coefficients and refractive indices have been calculated, in good agreement with observed data, on the usual dispersion formula and that of Blackman. The lattice frequency lies at 25.1μ in absorption and at 22μ in reflection, the reflection curve between 17 and 22μ being flat. The reflection maximum at 16μ is interpreted as a combination frequency.
No takes yet. Share an insight, caveat, or question.
Saksena et al. (1956) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: