Suppression of elastic scattering resonances in microdroplets seeded with nm-sized latex particles

Dat D. Ngo; Ronald G. Pinnick

doi:10.1117/12.145699

24 May 1993 Suppression of elastic scattering resonances in microdroplets seeded with nm-sized latex particles

Dat D. Ngo, Ronald G. Pinnick

Proceedings Volume 1862, Laser Applications in Combustion and Combustion Diagnostics; (1993) https://doi.org/10.1117/12.145699
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Resonance structure in elastic scattering (at approximately 90 deg from the direction of forward scattering) has been measured for evaporating micron-sized glycerol droplets suspended in an electrodynamic trap. Seeding the droplets with polystyrene latex particles having diameter 30 nm <EQ d <EQ 105 nm broadens and attenuates the highest Q (Q approximately equals 10⁴-10⁵) resonances. Further, regardless of whether resonance conditions are satisfied, the addition of latex particles causes fluctuations of the elastic scattering with amplitude up to approximately equals 10% of the total signal.

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Dat D. Ngo and Ronald G. Pinnick "Suppression of elastic scattering resonances in microdroplets seeded with nm-sized latex particles", Proc. SPIE 1862, Laser Applications in Combustion and Combustion Diagnostics, (24 May 1993); https://doi.org/10.1117/12.145699

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