Iranian Journal of Physics Research

Investigation of the temperature and magnetic field effect on the Cesium D1 atomic line filter characteristics

Document Type : Original Article

Authors

Mohammad Karami
Saed Golshan Khavas
Farrokh Sarreshtedari

Magnetic resonance research laboratory, Department of Physics, College of science, University of Tehran, Tehran, Iran

https://doi.org/10.47176/ijpr.22.1.01325
Abstract
Atomic spectral line filter is a narrow band pass optical filter which has many applications in quantum and laser systems. By engineering the system parameters like gas temperature and intensity of magnetic field, the filter with desired characteristics could be obtained. In this work, an atomic spectral line filter for Cesium D1 line (894.6nm) is implemented and characterized. The effect of system parameters on the filter transmission and its bandwidth is investigated. It is observed that by applying a magnetic field of 390 Gauss and adjusting the gas cell temperature on 40°C, a single peak filter with maximum filter transmission and FWHM of 0.24 GHz could be obtained.

Keywords

atomic line filter
Cesium D1 transition line
Faraday effect
atomic absorption spectroscopy
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