Photothermal Interferometry Gas Sensor Based on the First Harmonic Signal
Photothermal interferometry (PTI) incorporated with wavelength modulation spectroscopy is a typical ultrasensitive spectroscopic technique for trace gas detection. In this paper, to our best knowledge, we demonstrate that the first harmonic signal is the best choice for a PTI spectroscopy gas sensin...
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| Main Authors: | , , , |
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| 格式: | Article |
| 語言: | 英语 |
| 出版: |
IEEE
2018-01-01
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| 叢編: | IEEE Photonics Journal |
| 主題: | |
| 在線閱讀: | https://ieeexplore.ieee.org/document/8329238/ |
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