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Optoacoustic detection of sulphur dioxide below the parts per billion level

 

作者: K. P. Koch,   W. Lahmann,  

 

期刊: Applied Physics Letters  （AIP Available online 1978）
卷期: Volume 32, issue 5  

页码: 289-291

 

ISSN:0003-6951

 

年代: 1978

 

DOI:10.1063/1.90023

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We report a novel optoacoustic detection scheme which is suited for use with low‐power radiation sources. The improved detection capability is demonstrated for SO2with a frequency‐doubled dye laser of 1 mW uv output power, allowing the detection of SO2concentrations as low as 0.12 ppb.

 

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