Optimization algorithm of LDA signal processing for nanoparticles

Lénárd Vámos; Péter Jani

doi:10.1117/12.680263

14 August 2006 Optimization algorithm of LDA signal processing for nanoparticles

Lénárd Vámos, Péter Jani

Proceedings Volume 6293, Interferometry XIII: Applications; 629303 (2006) https://doi.org/10.1117/12.680263
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The lower limit of size measurement with PDA is about 150nm particle diameter, because of the small scattering efficiencies under this size. A model-based signal processing method is developed to determine the particle size from the autocorrelation function constructed in photon counting LDA systems by simulating the whole scattering and detecting process. An optimization algorithm is proposed to fit the computed autocorrelation function to the measured one. The errors of this signal processing method are discussed.

Citation Download Citation

Lénárd Vámos and Péter Jani "Optimization algorithm of LDA signal processing for nanoparticles", Proc. SPIE 6293, Interferometry XIII: Applications, 629303 (14 August 2006); https://doi.org/10.1117/12.680263

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