期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 92, 期 8, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0059740
关键词
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资金
- Bundesministerium fur Bildung und Forschung (BMBF) STAR [05K19VF3]
- European Research Council (ERC) Advanced Grant COCONIS [694965]
- Deutsche Forschungsgemeinschaft (DFG) [GRK 2079]
- European Research Council (ERC) [694965] Funding Source: European Research Council (ERC)
This paper introduces a cost-effective, fully software-based lock-in amplifier for nonlinear spectroscopy applications, with comparable performance to commercial devices and advantages in data analysis flexibility and channel up-scaling.
We demonstrate a cost-effective, fully software-based lock-in amplifier (LIA) implemented on a commercial computer. The device is designed for application in nonlinear spectroscopy, such as transient absorption and coherent multidimensional spectroscopy, but may also be used in any other application. The performance of our device is compared to a state-of-the-art commercial LIA with nearly identical results for both devices. Advantages of our device over commercial hardwired electronic LIAs are the improved flexibility in the data analysis and the possibility of arbitrary up-scaling of the number of LIA channels. Published under an exclusive license by AIP Publishing.
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