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Tunable quantum counter for far‐infrared radiation

 

作者: H. Lengfellner,   G. Pauli,   W. Heisel,   K. F. Renk,  

 

期刊: Applied Physics Letters  （AIP Available online 1976）
卷期: Volume 29, issue 9  

页码: 566-567

 

ISSN:0003-6951

 

年代: 1976

 

DOI:10.1063/1.89188

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We report on a quantum counter which converts far‐infrared radiation to visible light. The 891‐Ghz radiation of an HCN laser, absorbed in optically pumped ruby by the transition E¯ (2E) →2A¯ (2E), was detected by an increasedR2fluorescence. By Zeeman splitting of the2Elevels the narrow‐band detector was tuned to the laser line.

 

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