Cavity attenuated phase shift Faraday rotation spectroscopy
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2018
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| _version_ | 1866913930487529472 |
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| author | Patrick, Link Westberg, Jonas Wysocki, Gerard |
| author_facet | Patrick, Link Westberg, Jonas Wysocki, Gerard |
| contents | Cavity attenuated phase shift Faraday rotation spectroscopy has been developed and demonstrated by oxygen detection near 762 nm. The system incorporates a high-finesse cavity together with phase-sensitive balanced polarimetric detection for sensitivity enhancement and achieves a minimum detectable polarization rotation angle (1σ) of $5.6\times 10^{-9}$ rad/$\surd$Hz, which corresponds to an absorption sensitivity of $4.5\times 10^{-10}$ cm$^{-1}/{\surd}$Hz without the need for high sampling rate data acquisition. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_1808_07468 |
| institution | arXiv |
| publishDate | 2018 |
| record_format | arxiv |
| spellingShingle | Cavity attenuated phase shift Faraday rotation spectroscopy Patrick, Link Westberg, Jonas Wysocki, Gerard Instrumentation and Detectors Optics Cavity attenuated phase shift Faraday rotation spectroscopy has been developed and demonstrated by oxygen detection near 762 nm. The system incorporates a high-finesse cavity together with phase-sensitive balanced polarimetric detection for sensitivity enhancement and achieves a minimum detectable polarization rotation angle (1σ) of $5.6\times 10^{-9}$ rad/$\surd$Hz, which corresponds to an absorption sensitivity of $4.5\times 10^{-10}$ cm$^{-1}/{\surd}$Hz without the need for high sampling rate data acquisition. |
| title | Cavity attenuated phase shift Faraday rotation spectroscopy |
| topic | Instrumentation and Detectors Optics |
| url | https://arxiv.org/abs/1808.07468 |