Optical Transition Probabilities of Er³⁺ Ions in ErBa₃B₉O₁₈ Crystal

Table 1

Calculated strength parameters for Er³⁺ in EBBO.

Peak	Configuration	Wavelength (nm)	(nm)	(10^−20 cm^2)	(10^−20 cm^2)
1		1539	25.73	3.27	2.76	0.26
2		971	0.83	0.20	0.80	0.36
3		650	2.09	0.75	1.32	0.32
4		519	5.35	2.37	2.72	0.12
5		485	1.97	0.94	1.27	0.11
6		407	0.53	0.29	0.43	0.02
7		376	6.29	3.77	3.50	0.08
8		255	1.35	1.18	0.85	0.11
Rms-Δ. = 0.40 10^−20 cm^2, = (3.10, 0.87, 1.80) 10^−20 cm^2