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机构地区:[1]University of Shanghai for Science and Technology,Shanghai 200093 [2]Xuzhou Normal University,Xuzhou 221116
出 处:《Chinese Optics Letters》2008年第11期871-874,共4页中国光学快报(英文版)
基 金:supported by the Nano-Project of Shanghai Science and Technology Commission under Grant No.0452nm029.
摘 要:In this letter, the technique of laser self-mixing effect is employed for nano-particle size analysis. In contrast to the photon correlation spectroscopy (PCS) and photon cross correlation spectroscopy (PCCS), the main advantages of this technique are sensitive, compact, low-cost, and simple experimental setup etc. An improved Kaczmarz projection method is developed in the inversion problem to extract the particle size distribution. The experimental results prove that nano-particle size can be measured reasonably by using the self-mixing effect technique combined with the improved projection algorithm.In this letter, the technique of laser self-mixing effect is employed for nano-particle size analysis. In contrast to the photon correlation spectroscopy (PCS) and photon cross correlation spectroscopy (PCCS), the main advantages of this technique are sensitive, compact, low-cost, and simple experimental setup etc. An improved Kaczmarz projection method is developed in the inversion problem to extract the particle size distribution. The experimental results prove that nano-particle size can be measured reasonably by using the self-mixing effect technique combined with the improved projection algorithm.
关 键 词:EXPERIMENTS NANOPARTICLES Particle size Photon correlation spectroscopy PHOTONS
分 类 号:TN249[电子电信—物理电子学]
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