Pressure dependence of small signal gain and saturation intensity of a gold-vapor laser using various buffer gases in gain medium |
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Authors: | M Aghababaei Nezhad S Behrouzinia K Khorasani |
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Institution: | a Physics Department, Alzahra University, Tehran, Iran b Laser and Optics Research School, Nuclear Science and Technology Research School, Atomic Energy Organization of Iran, Tehran, Iran |
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Abstract: | A pair of gold-vapor laser (627.8 nm) in an oscillator-amplifier configuration was used to investigate the small signal gain, g0, and saturation intensity, Is, as amplifying parameters, versus pressure at various types of buffer gas. It was shown that the small signal gain decreases and saturation intensity increases linearly with increasing the pressure. Moreover, the values of these parameters are different using various gas mixtures in gain medium. Both parameters were estimated to be more at helium buffer gas atmosphere than that of neon or their mixed ones. |
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Keywords: | Gold-vapor laser Small signal gain Saturation intensity Buffer gases |
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