## Application of laser homodyne spectrometer to particle size measurements |

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### Contents

Block Diagram of Laser Power Supply 128 | 26 |

G EFFECT OF PARTICLE SIZE POLYDISPERSITY | 41 |

H EFFECT OF INTERNAL MOLECULAR MOTION | 52 |

10 other sections not shown

### Common terms and phrases

amplifier angle apparatus Appendix approximately autocorrelation beam binary solutions black box broadening calculated cathode cavity component concentration fluctuations const convolution theorem correlation function critical solution temperature derivation dielectric constant diffusion dispersion distribution of particles electric field electron entropy fluctuations extensive variable filament fluid Fourier transform frequency distribution given halfwidth homodyne detection incident light intensity of scattering laser light laser tube latex lens light scattered line shape line width Lorentzian line measured mirrors molecules motion noise ratio observation obtained output particle size distribution Pecora photocathode photocurrent photomultiplier tube polydispersity power spectrum predicted pressure fluctuations Rayleigh scattering scattered from particles scattered intensity scattered light scattered radiation scattering cell scattering equation series of runs shown in Figure Signal Averager signal to noise soap space-time correlation function spectra spectrin spectrum analyzer spectrum of light spectrum of scattered surface plate theoretical theory thermal thermodynamic velocity of sound vibration voltage wave vector wavelength