The development of a tunable, single-frequency ultraviolet laser source for UV filtered Rayleigh scattering

Details The development of a tunable, single-frequency ultraviolet laser source for UV filtered Rayleigh scattering The development of a tunable, single-frequency ultraviolet laser source for UV filtered Rayleigh scattering

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995dfrs.nasaq....f&link_type=abstract

In its Development of Filtered Rayleigh Scattering for Accurate Measurement of Gas Velocity 8 p (SEE N96-16589 04-70)

Computer Science

Laser Outputs, Mercury Vapor, Pulsed Lasers, Rayleigh Scattering, Tunable Lasers, Ultraviolet Lasers, Continuous Radiation, Harmonic Generators, Spatial Resolution, Spectral Resolution, Ultraviolet Radiation

Scientific paper

We present the development of a flexible, high power, narrow line width, tunable ultraviolet source for diagnostic application. By frequency tripling the output of a pulsed titanium-sapphire laser, we achieve broadly tunable (227-360 nm) ultraviolet light with high quality spatial and spectral resolution. We also present the characterization of a mercury vapor cell which provides a narrow band, sharp edge absorption filter at 253.7 nm. These two components form the basis for the extension of the Filtered Rayleigh Scattering technique into the ultraviolet. The UV-FRS system is comprised of four pieces: a single frequency, cw tunable Ti:Sapphire seeding source; a high-powered pulsed Ti:Sapphire oscillator; a third harmonic generator system; and an atomic mercury vapor filter. In this paper we discuss the development and characterization of each of these elements.

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