Dual-frequency-comb UV spectroscopy with one million resolved comb lines
We present high-resolution dual-comb spectroscopy across two broad UV spectral regions spanning 372–410 nm and 325–342 nm. This is achieved by generating sixth and seventh harmonics, respectively, from a low-noise 2.35 µm Cr:ZnS dual-comb laser system. The sixth harmonic band contains approximately...
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| Veröffentlicht in: | Optica 2024-11, Vol.11 (11), p.1486 |
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| container_title | Optica |
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| creator | Muraviev, Andrey Konnov, Dmitrii Vasilyev, Sergey Vodopyanov, Konstantin L. |
| description | We present high-resolution dual-comb spectroscopy across two broad UV
spectral regions spanning 372–410 nm and 325–342 nm.
This is achieved by generating sixth and seventh harmonics,
respectively, from a low-noise 2.35 µm Cr:ZnS dual-comb laser
system. The sixth harmonic band contains approximately 1,000,000
spectrally resolved comb lines, while the seventh harmonic band—around
550,000 comb lines. With the line spacing of 80 MHz, this
corresponds to a resolving power of up to 10 million, offering
remarkable spectral resolution. |
| doi_str_mv | 10.1364/OPTICA.536971 |
| format | Article |
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spectral regions spanning 372–410 nm and 325–342 nm.
This is achieved by generating sixth and seventh harmonics,
respectively, from a low-noise 2.35 µm Cr:ZnS dual-comb laser
system. The sixth harmonic band contains approximately 1,000,000
spectrally resolved comb lines, while the seventh harmonic band—around
550,000 comb lines. With the line spacing of 80 MHz, this
corresponds to a resolving power of up to 10 million, offering
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spectral regions spanning 372–410 nm and 325–342 nm.
This is achieved by generating sixth and seventh harmonics,
respectively, from a low-noise 2.35 µm Cr:ZnS dual-comb laser
system. The sixth harmonic band contains approximately 1,000,000
spectrally resolved comb lines, while the seventh harmonic band—around
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spectral regions spanning 372–410 nm and 325–342 nm.
This is achieved by generating sixth and seventh harmonics,
respectively, from a low-noise 2.35 µm Cr:ZnS dual-comb laser
system. The sixth harmonic band contains approximately 1,000,000
spectrally resolved comb lines, while the seventh harmonic band—around
550,000 comb lines. With the line spacing of 80 MHz, this
corresponds to a resolving power of up to 10 million, offering
remarkable spectral resolution.</abstract><cop>United States</cop><pub>Optical Society of America</pub><doi>10.1364/OPTICA.536971</doi><orcidid>https://orcid.org/0000-0002-1814-9204</orcidid><orcidid>https://orcid.org/0000-0002-2520-3547</orcidid><orcidid>https://orcid.org/0000-0002-1117-9363</orcidid><orcidid>https://orcid.org/0000000211179363</orcidid><orcidid>https://orcid.org/0000000225203547</orcidid><orcidid>https://orcid.org/0000000218149204</orcidid><oa>free_for_read</oa></addata></record> |
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| title | Dual-frequency-comb UV spectroscopy with one million resolved comb lines |
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