Spectroscopic studies of YAG:Sm3+ crystals |
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| Authors: | M Malinowski R Wolski Z Frukacz T Lukasiewicz Z Luczynski |
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| Institution: | 1. Institute of Microelectronics and Optoelectronics PW, ul. Koszykowa 75, 00-662, Warsaw, Poland
2. Institute of Electronic Materials Technology (ITME), ul. Wólczyńska 133, 01-919, Warsaw, Poland
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| Abstract: | Optical properties of the Sm3+ ion in YAG crystals have been investigated, in particular:
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- the energy level diagram of Sm:YAG has been established.
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- the emission characteristics of the metastable state4G5/2 have been determined.
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- the oscillator strengths of various Sm transitions have been investigated using the Judd-Ofelt theory.
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The relatively large emission cross section and long fluorescence lifetime enable red laser action to be obtained. |
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