A process for the conversion of far-infrared radiation to visible light in CdS is reported which is sensitive to a band of infrared. Two exciton levels are utilized, the lower of which is pumped by a visible light source. It is not required that the visible or the infrared be resonant between the two levels.
No takes yet. Share an insight, caveat, or question.
Martin A. Gundersen (1974) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: