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用引上法生长YAG:Nd的实验中,曾多次出现过晶体呈黄色,经吸收光谱测试,发现在4600埃处有一宽的稳定吸收带(见图
In experiments where YAG: Nd was introduced by the lead-in method, the crystal appeared yellow many times, and after absorption spectroscopy, it was found that there was a broad stable absorption band at 4600 Å