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³¬¼¶ÀÏ¿ì: ½ð±Ò+50, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2016-08-11 21:50:54
In one way, this widens  the distance between Er3+ ions, which weakens the  cross relaxation effect among Er3+ ions,  and decreases the ratio of red and green light intensities for the upper conversion emmision; on the other hand, the relatively large distance between rare earth ions also avoids the possible flourescence quenching, thus maximizes  the light intensity for the upper conversion emmision. In contrast, the doped glass prepared  using mono alkali tends to have a greater ratio of red and green light intensities, and less  light intensity for the upper conversion emmision.
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