Volume 4 Number 3 (May 2014)
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IJAPM 2014 Vol.4(3): 170-175 ISSN: 2010-362X
DOI: 10.7763/IJAPM.2014.V4.277

On the Nature of Dynamic Interference Fringes Excited by Coherent Beam

Chandan Siam
Abstract—The present work reports the interpretation of circular fringes appearing on a screen at a suitable distance from a sample cell when coherent beam of light (He-Ne Laser, Ar+ Laser) of suitable power is incident on it. The dynamic fringes are characteristics of liquids used in the experiment. In the present work we have shown that these fringes are originated from suspended particles in the liquid. We have also estimated the sizes of the particles. The characteristic of the fringes follows Maxwell-Boltzmann type of distribution.

Index Terms—Dynamic fringes, diameter and speed of suspended particles.

Chandan Siam is with Physics Department, Digboi College, Digboi-787001, Assam, India (e-mail: csiam162@gmail.com).

Cite: Chandan Siam, "On the Nature of Dynamic Interference Fringes Excited by Coherent Beam," International Journal of Applied Physics and Mathematics vol. 4, no. 3, pp. 170-175, 2014.

General Information

ISSN: 2010-362X (Online)
Abbreviated Title: Int. J. Appl. Phys. Math.
Frequency: Quarterly
DOI: 10.17706/IJAPM
Editor-in-Chief: Prof. Haydar Akca 
Abstracting/ Indexing:  Index Copernicus, EI (INSPEC, IET), Chemical Abstracts Services (CAS), Nanowerk Database, Google Scholar, EBSCO, etc.
E-mail: ijapm@iap.org
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