Conversion of 28-μ far-infrared radiation to visible light using bound excitons in CdS
- 15 June 1974
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 24 (12) , 591-592
- https://doi.org/10.1063/1.1655066
Abstract
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.Keywords
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