High-Power ZBLAN Glass Fiber Lasers: Review and Prospect

Table 2

Summary of infrared rare-earth-doped ZBLAN fiber lasers with the highest output powers so far.

Rare-earth	Laser wavelength (𝜇m)	Pump wavelength (nm)	Output power (W)	Rare-earth Concentration (mol%)	Slope efficiency (%)	Reference
Er	1.55	980	0.012	0.5	30	[49]
	1.7	791	0.007	0.5	1.8	[50]
	2.7	975	24	6	14.5	[16]
	3.45	640	0.085	1	2.8	[47]
Tm	1.48	1064	2.3	0.2	65	[51]
	1.94	792	20	2.5	49	[15]
	2.3	790	0.001	0.1	10	[48]
Ho	2	806	8.8	0.4	36	[52]
	2.86	1100	2.5	3	29	[53]
	3.22	532	0.011	0.2	2.8	[43]
	3.9	885	0.011	0.2	1.5	[54]
Dy	2.9	1100	0.275	0.1	4.5	[55]
Pr	1.3	1064	0.0045	0.09	0.45	[56]
Yb	1	0.911	0.09	1.8	56	[57]
Nd	1.05	514.5	0.02	1.5	2.5	[38]
	1.34	800	0.0136	0.2	12	[58]