Fine spectral structure and ultra-monochromatic tunable terahertz radiation of the NovoFEL

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Abstract

Laser nature of a continuous pulse-periodical radiation of the Novosibirsk free-electron laser (NovoFEL) appears in a good coherency of its many longitudinal modes. Filtration of one of the modes by a system of three resonance Fabry-Perot interferometers allows to create laser source with monochromaticity which is sufficient for typical high-resolution THz spectroscopy (≤ 2 10-7, ≤ 0.5 MHz). Features of the source compared to other alternative devices are a wide tuning range (1.5-3 THz) and much more high output power (up to 100 mW).

Original languageEnglish
Title of host publicationProceedings - International Conference Laser Optics 2018, ICLO 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages1
ISBN (Print)9781538636121
DOIs
Publication statusPublished - 13 Aug 2018
Event2018 International Conference Laser Optics, ICLO 2018 - St. Petersburg, Russian Federation
Duration: 4 Jun 20188 Jun 2018

Conference

Conference2018 International Conference Laser Optics, ICLO 2018
CountryRussian Federation
CitySt. Petersburg
Period04.06.201808.06.2018

Keywords

  • Fabry-Perot interferometer
  • Free-electron laser
  • High-resolution THz spectroscopy
  • Longitudinal modes

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