Dye fluorescence at supersaturated pump fluxes

A. Yu. Belonogov

doi:10.1117/12.2316024

1 September 1996 Dye fluorescence at supersaturated pump fluxes

A. Yu. Belonogov

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27789B (1996) https://doi.org/10.1117/12.2316024
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

A hypothesis of a multifold reduction of exited particle lifetime at supersaturated pump fluxes, suggested in /1-7/ for accounting for an unusual growth of dye fluorescence intensity at high pump fluxes, is analyzed. Registration of profiles of pump and fluorescence pulses of phenolemine F-510 in ethanol solution with lifetime of exited particles τ= 6.6 ns was made with pump fluxes I_O = (10²³ - 10²⁷) cm^-2s^-1 at a wavelength of 532 nm. The experimental results testify for preservation of the exited particle lifetime τ= 6.6 ns at high pump fluxes.

Citation Download Citation

A. Yu. Belonogov "Dye fluorescence at supersaturated pump fluxes", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27789B (1 September 1996); https://doi.org/10.1117/12.2316024

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