High-Power ZBLAN Glass Fiber Lasers: Review and Prospect

Table 3

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

Rare-earth	Laser Wavelength (nm)	Pump Wavelength (nm)	Output Power (mW)	Rare-earth Concentration (mol%)	Efficiency (%)	Reference
Er	402	638	0.070	0.1	1.6	[125]
	470	638	0.040	0.1	3	[125]
	544	970	50	0.1	11	[126]
Tm	248	1064	0.042	1	9%	[127]
	455	645+1064	3	0.1	1.5%	[128]
	481	1123	230	0.1	18.5%	[129]
	784	1120	5	0.1	0.7%	[130]
	808	1120	9	0.1	2.5%	[130]
Pr/Yb	491	840	165	0.3/2	12.1	[131]
	520	860	20	0.3/2	12.4	[132]
	605	840	55	0.3/2	19	[133]
	615	860	45	0.3/2	11.5	[132]
	635	850+823	1020	0.3/2	19	[134]
Ho	550	645	40	0.12	16.8	[135]
Nd	381	590	0.074	0.1	—	[136]
	412	590	0.5	0.1	1.5	[137]