共 24 条
- [2] BOGOMOLOVA GA, 1975, ZH EKSP TEOR FIZ+, V69, P860
- [8] JOHNSON LF, 1969, J APPL PHYS, V40, P296
- [9] OPTICAL ABSORPTION INTENSITIES OF RARE-EARTH IONS [J]. PHYSICAL REVIEW, 1962, 127 (03): : 750 - &
- [10] SPECTROSCOPIC PROPERTIES AND STIMULATED EMISSION IN F-4(3/2)-]I-4(11/2) AND F-4(3/2)-]I-4(13/2) TRANSITIONS OF ND3+ IONS FROM CUBIC BI-4GE-3O-12 CRYSTALS [J]. PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1976, 33 (02): : 737 - 753