A Rayleigh-Brillouin scattering spectrometer for ultraviolet wavelengths

Z.Y. Gu, M.O. Vieitez, E.J. van Duijn, W.M.G. Ubachs

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

A spectrometer for the measurement of spontaneous Rayleigh-Brillouin (RB) scattering line profiles at ultraviolet wavelengths from gas phase molecules has been developed, employing a high-power frequency-stabilized UV-laser with narrow bandwidth (2 MHz). The UV-light from a frequency-doubled titanium:sapphire laser is further amplified in an enhancement cavity, delivering a 5 W UV-beam propagating through the interaction region inside a scattering cell. The design of the RB-scattering cell allows for measurements at gas pressures in the range 0-4 bars and at stably controlled temperatures from -30 °C to 70 °C. A scannable Fabry-Perot analyzer with instrument resolution of 232 MHz probes the RB profiles. Measurements on N
Original languageEnglish
JournalReview of Scientific Instruments
Volume83
Issue number5
DOIs
Publication statusPublished - 2012

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