Hyoptic offers 2x1 3x1 7x1 pump combiners with 105/125um, 200/220um, 220/240um, 400/440um fibers.
This multi-mode fiber pump combiner is designed for high power fiber laser application. It combines two or more pump lasers into one multi-mode output fiber. 
The pump typical wavelength is 915nm. 

Models	Wavelength	Pump Input Fiber	Output Fiber	Pump Efficiency	Output Power
2x1	800-1000nm	105/125 0.15NA	105/125 0.22NA	90%	25W
2x1	800-1000nm	105/125 0.15NA	200/220 0.22NA	95%	25W
2x1	800-1000nm	105/125 0.22NA	200/220 0.22NA	95%	25W
3X1	800-1000nm	105/125 0.22NA	200/220 0.22NA	95%	25W
7x1	800-1000nm	105/125 0.22NA	400/440 0.22NA	95%	50W

More customized fiber type, please contact us.