共 5 条
- [2] BLUE AND GREEN CW UPCONVERSION LASING IN ER-YLIF4 [J]. APPLIED PHYSICS LETTERS, 1990, 57 (17) : 1727 - 1729
- [4] OPTICAL-WAVEGUIDE REFRACTIVE-INDEX PROFILES DETERMINED FROM MEASUREMENT OF MODE INDEXES - SIMPLE ANALYSIS [J]. APPLIED OPTICS, 1976, 15 (01): : 151 - 155