In this lecture various physical and chemical aspects are discussed when single par-ticles of the size of the faserwavelength are trapped in strongly focused laser beams.First,we describe various possibilities for the...In this lecture various physical and chemical aspects are discussed when single par-ticles of the size of the faserwavelength are trapped in strongly focused laser beams.First,we describe various possibilities for the trapping techniques and micro-Raman set-ups.Then we discuss Raman-Mie-scattering and morphology dependent resonanceswhich occur in dielectric spherical microparticles.These particles react as microres-onators and influence the Raman spectra generating input and output resonances.展开更多
This contribution reports on application of low-wavenumber Raman scattering on acoustical vibrational modes of nanoparticles.Theoretical background as well as the experimental results in determination of oxide and sem...This contribution reports on application of low-wavenumber Raman scattering on acoustical vibrational modes of nanoparticles.Theoretical background as well as the experimental results in determination of oxide and semiconductor particle size distribution will be presented.展开更多
文摘In this lecture various physical and chemical aspects are discussed when single par-ticles of the size of the faserwavelength are trapped in strongly focused laser beams.First,we describe various possibilities for the trapping techniques and micro-Raman set-ups.Then we discuss Raman-Mie-scattering and morphology dependent resonanceswhich occur in dielectric spherical microparticles.These particles react as microres-onators and influence the Raman spectra generating input and output resonances.
文摘This contribution reports on application of low-wavenumber Raman scattering on acoustical vibrational modes of nanoparticles.Theoretical background as well as the experimental results in determination of oxide and semiconductor particle size distribution will be presented.