THz photomixing synthesizer based on a fiber frequency comb
A frequency doubled erbium doped modelocked fiber frequency comb is used to implement a THz photomixing synthesizer. The useful THz linewidth is in order of 150 kHz and has been assessed along with the frequency accuracy by spectroscopic measurements demonstrating a relative accuracy of 10(-8) at fr...
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| Veröffentlicht in: | Optics express 2009-11, Vol.17 (24), p.22031-22040 |
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| container_end_page | 22040 |
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| container_issue | 24 |
| container_start_page | 22031 |
| container_title | Optics express |
| container_volume | 17 |
| creator | Mouret, Gaël Hindle, Francis Cuisset, Arnaud Yang, Chun Bocquet, Robin Lours, Michel Rovera, Daniele |
| description | A frequency doubled erbium doped modelocked fiber frequency comb is used to implement a THz photomixing synthesizer. The useful THz linewidth is in order of 150 kHz and has been assessed along with the frequency accuracy by spectroscopic measurements demonstrating a relative accuracy of 10(-8) at frequencies around 1 THz. The THz synthesizer is used to implement a THz spectrometer to study the rotational absorption spectrum of carbonyl sulfide (OCS). Measurement of the principal transitions between 813 GHz and 1283 GHz allowed the properties of the THz spectrometer to be compared with competing techniques, and demonstrates the potential of the THz photomixing synthesizer as an alternative means to explore the THz domain. |
| doi_str_mv | 10.1364/OE.17.022031 |
| format | Article |
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| language | eng |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Alma/SFX Local Collection; EZB Electronic Journals Library |
| subjects | Equipment Design Lasers Light Optical Devices Optics and Photonics Sulfur Oxides - chemistry Terahertz Radiation Terahertz Spectroscopy - instrumentation Terahertz Spectroscopy - methods |
| title | THz photomixing synthesizer based on a fiber frequency comb |
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