Abstract
In this paper, the transmission characteristics of rubidium excited state Faraday anomalous dispersion optical filters at 532nm for a practical and important wavelength are analyzed and discussed. A weak magnetic field method is employed to calculate the transmission characteristics versus external magnetic field, laser pump power, cell temperature and cell length for natural Rb, 85Rb and 87Rb atomic vapors, respectively. The theoretical results show that the transmission property of 85Rb atomic vapor is superior to that of Rb, 87Rb atomic vapors in the weak magnetic field, which makes it more suitable for the magneto-optic filtering material of Faraday optical filters by comparison with natural Rb atomic vapor.
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