Low-density microporous polymeric foams measurement with digital microscopic image plane holography

Qieni Lü; Baozhen Ge; Yongjie Wei; Qingguo Tian; Xiaojie Li; Yaolin Wei; Yimo Zhang

doi:10.1117/12.757522

4 January 2008 Low-density microporous polymeric foams measurement with digital microscopic image plane holography

Qieni Lü, Baozhen Ge, Yongjie Wei, Qingguo Tian, Xiaojie Li, Yaolin Wei, Yimo Zhang

Proceedings Volume 6832, Holography and Diffractive Optics III; 683211 (2008) https://doi.org/10.1117/12.757522
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

A method for the measurement of low-density microporous polymeric foams with digital microscopic image plane holography is studied. An image plane hologram of microporous foam is recorded in an optical system of a Mach-Zender interferometer by CCD sensor, and the magnified image, which contains the quantitative information of the intensity and the phase of the microporous foam, is reconstructed numerically from the captured single interference pattern by twice fast Fourier transform and digital filter processing of frequency spectrum. And the morphometry and the pore diameter of the microporous foam under test can be obtained. A theoretical analysis has been performed and experimental results of the polymeric foam are also given. The experimental results show that the method presented in this paper is feasible, easy in data processing.

Citation Download Citation

Qieni Lü, Baozhen Ge, Yongjie Wei, Qingguo Tian, Xiaojie Li, Yaolin Wei, and Yimo Zhang "Low-density microporous polymeric foams measurement with digital microscopic image plane holography", Proc. SPIE 6832, Holography and Diffractive Optics III, 683211 (4 January 2008); https://doi.org/10.1117/12.757522

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