Pump Combiners

| Nd, Yb, Er and Tm fiber
| Designed for Large Mode Area fibers
| Active or passive signal fiber
| Very low signal insertion loss
| Suitable for counter-pumping
| Excellent beam quality and PER
| Spliceless fiber modules with pump combiner

| Highlights

| Technical Data

Wavelength 400 - 2200 nm (Neodym, Ytterbium, Erbium, Thulium)
Pump direction Forward and Backward (Co and Counter)*
SIGNAL
Fiber type Active or Passive, PM or non-PM
Insertion loss < 0.3dB (typ. ≤ 0.15dB)
PER >17dB (typ. > 20dB)
Pigtail length >1m
PUMP
Fiber 105/125, 106.5/125, 110/125
NA 0.15, 0.22
Coupling efficiency >85% (typ. >90%)**
Number of pump ports 2 or 4
Max. pump power up to 1kW
Pigtail length >1m
Package size 90 x 25 x 12 mm L x W x H
* In case of counter-propagation pumping, signal cladding light may damage the fiber combiner and the laser diodes.
** ≥ 90% of pump power within 0.15 NA.
*** Heatsinking is required, recommended package temperature between 18°C and 35°C
All listed parameters are typical values specified at room temperature. Specifications are subject to change without notice.

| Applications

| Pumping of fiber lasers and amplifiers
| Pumping of multi-core and large mode area fibers (LMA)
| Pump combiner for Nd-, Yb-, Er-, Ho-, Tm-fibers
| Industrial, Biomedical, Telecommunication
| Metrology, Life Science, Imaging, Quantum optics
| Gravitational wave detection, Atom cooling and trapping