Simple model for optical activity

Chandrasekhar, S. (1956) Simple model for optical activity American Journal of Physics, 24 (7). pp. 503-506. ISSN 0002-9505

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The paper describes a simple theoretical model for explaining optical activity. The model consists of two anisotropic atoms, each having polarizability α. It is shown that when there is an assembly of such models, the refractive indices for right and left circular light are different, which means that the medium possesses optical rotatory power. By taking α to be complex in the vicinity of an optically active absorption band, the main features of Cotton effect or circular dichroism have also been explained.

Item Type:Article
Source:Copyright of this article belongs to American Association of Physics Teachers.
ID Code:7980
Deposited On:25 Oct 2010 09:31
Last Modified:30 May 2011 11:37

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